Where can I find it? Services/Company >>> Select a Service >>> Edit >>> Booking Form.
You can edit the Booking Form from the Company tab or in each service. It's the same procedure. Click here to learn how to configure the booking form.
Tip: Configure the Booking Form for all your services from the company tab. If you have one service that you want a custom booking form, just unclick the Use company booking preferences in the Default settings tab on that service.