Opera, a hotel system, how to keep a room or make a reservation?

You can select the "Guest Room" module in opera, and you can see the status of the room in the "Guest Room" module, where "Vacancy" means staying in the room and "Reservation" means booking the room.

The first function Opera desktop browser has created many new functions to help users improve the efficiency of surfing the Internet and promote innovation and network development. For example, in the first public release version of Opera browser, Opera realized opening multiple documents in one window at the same time-this is the predecessor of the popular "tabbed browsing".