补全对话
A: Good morning, sir. 1
B: I'd like to buy a blue jacket. Do you have any blue jackets?
A: Yes. 2
B: I want size M.
A: Here you are.
B: Can I try it on?
A: Sure. Is it all right?
B: Yes, I like it very much. 3
A: 360 yuan.
B: That's a bit expensive. Do you have any other kind? I want a cheaper one.
A: What about this one? It's only 120 yuan.
B: OK. 4 Here's the money.
A: 5 Goodbye, sir.
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