You can manage available calendar online of TripAdvisor with this function. Just setup the price for each day then import to the website.
Please follow the steps bellow here to get calendar’s url to use in our theme:
Step 1: Login your account in TripAdvisor website.
Step 2: In the dashboard, select Calendar on the menu header.
Step 3: Setup available booking 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.