2.4 Wake-up Service 唤醒服务

W: What can I do for you, sir?

M: I am Tim Green in Room 1021 and I want a wake-up call at 5:30AM tomorrow.

W: Yes, I see. 5:30AM Mr. Green, Room 1021.

M: I want to change my wake-up time.

W: Ok, could you tell me your room number and your name?

M: Tim, in Room 1021.

W: And when would you want us call you this time?

M: At 6:30AM tomorrow.

W: Ok, 6:30AM. We will call you exactly on that time.