Form is a great way to collect input (emails, orders/bookings, feedbacks, etc.) from your customer.

For how to use forms in general or contact form please see How to use contact form

This guide will show you the difference between booking form and contact form.

1
Add a booking form to your site

Go to Contact section of the widget selector (See How to use widgets for more details) to add a booking form on your web page.

2
Other usages are the same with normal contact forms.

See How to use contact form for details.