Who is the caller?

A: Golden Hotel. May I help you?
B: Mr. John Thomas, Room 13, please.
A: Put you through. Oh, Mr. Thomas isn’t in at this moment.
B. Can I leave a message?
A: Certainly.
B: Have him call Max Green at six. It’s important.

A: Good morning. Did you sleep well last night?
B: Yes, the room is fine.
A: Are you checking out this morning?
B: Yes, I’m leaving around 10.