1. How to edit the Book tab
The "Make a reservation" form in the Book tab is part of the foodPress plugin's functionality.
In order to edit the "Make a reservation" form that is on the Contacts page: https://vip-restaurant.vamtam.com/contacts/, please go to Dashboard > FoodPress > Settings > Reservation tab
You'll find the general options and the form fields options. You'll be also able to set the notifications and emails and manage the submitted reservations.
How to add a reservation form to a page:
You can easily add a new reservation form to a page using the foodPress shortcode.
Open the visual text editor of the page and click on the Add foodPress Menu button:
You'll see the Shortcode Generator window - Click on the Reservation Menu Form:
Select the settings you need and click on the purple button to insert the shortcode:
2. How to edit the Write tab
In order to edit the "Do you have any questions" form that is on the Contacts page: https://vip-restaurant.vamtam.com/contacts/#tab-1-1-write, please go to Dashboard > Forms > Do you have any Questions?
Please check this guide for more details about the Ninja Forms plugin: https://support.vamtam.com/support/solutions/articles/221842-guide-to-ninja-forms-plugin-vip-restaurant-wordpress-theme