Why did the Marriott waiter ask for the room number?

Easy to check. According to the business information published by Marriott Hotel, the waiter of Marriott Hotel reported the room number to the housekeeping department, which conducted a unified inspection and dealt with the problems immediately. In order to facilitate the inspection, the waiter is required to report the room number. Marriott Hotel is a hotel owned by Marriott Group. Marriott International is a leading hotel management company in the world.