Receptionist: Good morning. Welcome to Beijing hotel. 1Mr. Smith: Good morning. I'd like to check in.Receptionist: 2Mr. Smith: Yes, 3Receptionist: May I have your name, sir?Mr. Smith: Sure, it's Mr. Smith.Receptionist: Please wait a minute. 4Mr. Smith: OK, here you are.Receptionist: Thanks. Here is your key, and you'll be in Room 212. 5Mr. Smith: Thank you.
选项：

A: I booked a double room for two nights.
B: Could you sign the register?
C: Do you have a reservation?
D: May I help you?
E: Enjoy your stay.