You can manage the available calendar online of TripAdvisor with this function. Just set the price for each day then import to the website.
Following the steps bellow to get calendar’s url to use in our theme:
Step 1: Login with your account in TripAdvisor website.
Step 2: In the dashboard, select Calendar on the menu header.
Step 3: You can set availability directly on the calendar.
Step 4: After completed the step 3, click on the Export button at the right side bar to get calendar url for sync data in theme.