How to open a room in a hotel?

At the counter, tell the lady to open the room. Yes, and then the young lady will give you the key and go by herself, or will the young lady let the waiter take you there?

A: You can go by yourself, usually accompanied by a waiter.

Supplement to the question:

Go by yourself. The waiter will give you the key, right? When you enter the room, will the waiter come to see you next?

A: No.