First check that Extra Options are selected to show in submit form from Admin -> Theme Options -> Payments & Submit -> Listing Submit Page

Extra Options are added from Edit Property – Price Settings

Add in booking form other options. You can select

• Option Name,
• Option Value (fixed number) and
• Option Calculation (fixed fee, by night/hour, by guest or by night/hour and guest)

You can add and delete these booking options as owner for each listing.

In Property page the booking form will show with the extra options