To edit a booking form, please following these steps:
Go to Theme Settings > ST Form Builder
Click to create a new form
Add a basic, user or advanced fields on the booking form
On Form Content, you can edit any field you want. For example, I will create a Check box, Text area, number or Dropdown fields. On Form Content, you can edit any field you want. For example, I will create a Check box, Text area, number or Dropdown fields. There are two fields is required and can’t be removed which are First name(st_first_name) and Last name(st_last_name). You can change the title field only
Click to use this form to checkout on Form Settings. And Save Form
Go to Theme Options > Booking Options > ST Form Builder: Select form for checkout template to choose the Form Name.
And you can see the new checkout form modified by ST Form