A: Good morning, sir. Welcome to Cambridge Hotel. How can I help you?
B: Good morning. How much is a single room for one night?
A: One hundred and seventy dollars.
B：Do you have anything a little cheaper?
A：Our cheapest room rate is one hundred and ten Dollars.
B：OK, I’ll take it for three nights.
A: Could you please fill in this registration form?
B: Okay.
A: Please sign your name. Thanks. Your room is on the 5th floor, room number 597. Here is your key.
B: Could I have a wake-up call at 7:30 please?
A: Certainly, we will.
B: When is breakfast served？
A：You can have breakfast from 7 to 10.
B：Thanks for your help！
A：Pleasure is all mine.