Вот так выглядит сама форма:
<div class="form-row-inside-left">
<div class="form-error-message" style="">
<div class="form-error-message-inner">поле не заполненно</div>
</div>
<div class="icon-list icon-4"></div>
<div class="auto_compile_from" id="32c5386b-c2e4-4120-9643-86324a074cc6_6ce68dcb-b74b-4128-8ff2-9a7e36e1e610_AutoCompileComboBoxFrom">
<div id="32c5386b-c2e4-4120-9643-86324a074cc6_6ce68dcb-b74b-4128-8ff2-9a7e36e1e610from" class="autocomplete-main">
<div class="autocomplete-placeholder">Город вылета</div>
<input value="" class="ss" type="hidden">
<div class="autocomplete-result" style="display:none;"><span class="autocomplete-result-left"></span><span class="autocomplete_delete_text" style="float:right;margin-right:4px;margin-top:15px;display:inline-block;" onclick=""></span><span class="autocomplete-result-right"></span></div>
<ul class="ui-autocomplete ui-menu ui-widget ui-widget-content ui-corner-all" id="ui-id-1" tabindex="0" style="z-index: 1; display: none;"></ul>
<input class="autocomplete_input_text ui-autocomplete-input" autocomplete="off">
</div>
</div>
</div>
</div>
<div class="form-row">
<div class="form-row-inside-right">
<div class="form-error-message" style="">
<div class="form-error-message-inner">поле не заполненно</div>
</div>
<div class="auto_compile_to" id="32c5386b-c2e4-4120-9643-86324a074cc6_6ce68dcb-b74b-4128-8ff2-9a7e36e1e610_AutoCompileComboBoxTo">
<div id="32c5386b-c2e4-4120-9643-86324a074cc6_6ce68dcb-b74b-4128-8ff2-9a7e36e1e610to" class="autocomplete-main">
<div class="autocomplete-placeholder">Город назначения</div>
<input value="" class="ss" type="hidden">
<div class="autocomplete-result" style="display:none;"><span class="autocomplete-result-left"></span><span class="autocomplete_delete_text" style="float:right;margin-right:4px;margin-top:15px;display:inline-block;" onclick=""></span><span class="autocomplete-result-right"></span></div>
<ul class="ui-autocomplete ui-menu ui-widget ui-widget-content ui-corner-all" id="ui-id-2" tabindex="0" style="z-index: 1; display: none;"></ul>
<input class="autocomplete_input_text ui-autocomplete-input" autocomplete="off">
</div>
</div>
</div>
</div>
</div>
<div class="form-row-container form-row-container-calendar">
<div class="form-row">
<div class="form-row-inside-left">
<label class="form-row-label-right"><input name="3-day" type="checkbox">±3 дня</label>
<label class="form-row-label">Вылет:</label>
<div class="form-calendar form-row-tggole-icons">
<div class="form-error-message" style="">
<div class="form-error-message-inner">поле не заполненно</div>
</div>
<label for="date-there-for" class="icon-list icon-5"></label>
<input name="сalendar-from" class="search-input-text hasDatepicker" id="dp1540898853718" type="text">
</div>
</div>
</div>
<div class="form-row">
<div class="form-row-inside-right">
<label class="form-row-label"><input name="one-way" type="checkbox"> В одну сторону</label>
<div class="form-calendar form-row-tggole-icons">
<div class="form-error-message" style="">
<div class="form-error-message-inner">поле не заполненно</div>
</div>
<label for="date-back-for" class="icon-list icon-5"></label>
<input name="сalendar-to" class="search-input-text hasDatepicker" id="dp1540898853719" type="text">
</div>
</div>
</div>
</div>
<div class="form-row-container form-row-container-bottom">
<div class="form-row form-container-passengers">
<label class="form-row-label">Количество пассажиров:</label>
<div class="form-row-passengers form-row-tggole-icons">
<div class="icon-list icon-1"></div>
<div class="form-row-passengers-mess">от 12 лет</div>
<select name="passengers-adults" class="search-input-select_passengers">
<option>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
<option>6</option>
<option>7</option>
<option>8</option>
<option>9</option>
</select>
</div>
<div class="form-row-passengers form-row-tggole-icons">
<div class="icon-list icon-2"></div>
<div class="form-row-passengers-mess">до 12 лет</div>
<select name="passengers-children" class="search-input-select_passengers">
<option>0</option>
<option>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
</select>
</div>
<div class="form-row-passengers form-row-tggole-icons">
<div class="icon-list icon-3"></div>
<div class="form-row-passengers-mess">до 2 лет</div>
<select name="passengers-infants" class="search-input-select_passengers">
<option>0</option>
<option>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
</select>
</div>
<div class="form-error-message" style="">
<div class="form-error-message-inner">поле не заполненно</div>
</div>
</div>
<div class="form-row form-row-class">
<label class="form-row-label">Класс:</label>
<div class="form-row-class-inside">
<select name="class" class="search-input-select">
<option value="Y">Эконом</option>
<option value="C">Бизнес</option>
<option value="F">Первый</option>
</select>
</div>
</div>
<div class="form-row form-row-btn">
<div name="search-btn" style="background:#ffb937; color:#fff" class="btn-search" title="НАЙТИ">НАЙТИ</div>
</div>
</div>
</form>
<form method="GET" action="" target=""><input name="partner_id" value="" type="hidden"><input name="location_from" value="" type="hidden"><input name="location_to" value="" type="hidden"><input name="spread_days" value="" type="hidden"><input name="one_way" value="" type="hidden"><input name="departure_date" value="" type="hidden"><input name="arrival_date" value="" type="hidden"><input name="adults" value="" type="hidden"><input name="children" value="" type="hidden"><input name="infants" value="" type="hidden"><input name="service_class" value="" type="hidden"><input name="currency" value="" type="hidden"><input name="marker" value="" type="hidden"></form>
</div></div>