Rudman,
document.addEventListener('DOMContentLoaded', () => {
document.querySelector('.order').addEventListener('click', () => {
document.getElementById('tick').innerHTML +=
`
${ document.querySelector('#city').value }<br><hr>
${ document.querySelector('#date').value }<br><br>
${ [...document.querySelectorAll('[name="n"]:checked')].map( el => +el.parentNode.textContent) }<br><br>
`
})
})