A:Hello doctor Hou's office,may I help you?
　　B:I'd like to make an appointment to see the doctor Hou.
　　A:What's your name please?
　　B:This is Ms Wang.
　　A:Is 3:00 this afternoon alright with you?
　　B:Not really,I would like to come at 2:00 pm.
　　A:Okay,That's fine.
　　B:Thank you.

　　Dialogue A
　　A:Hello,Room service,
　　B:This is room 369, I'd like to order some food please.
　　A:I'm sorry,But the kitchen is closed.
　　B:What do you have?
　　A:We have only sandwiches and drinks.
　　B:That will be fine, I'm starving.

　　Dialogue B
　　A:Hello,front desk.Can I help you?
　　B:Can you give me a morning call,please.
　　A:Sure,What time do you want to get up?
　　B:Please call me at 6:00 AM.
　　A:No problem.
　　B:Tkank you.