【课程】旅游英语17-购买商品(对话)

A: Can I help you?B: Yes. How much is that shirt?A: It's $25.99 originally, but it's on sale this week, so the price will only be $19.99.B: Nice. Can I try it on?A: Sure. What is your size?B: I don't know.A: Ok, try a size 12. Let me know if you need to exchange it for another size.B: Thank you.B: Do you have it in a smaller size?A: Yes, I do. Here you are.B: Thank you. I will take this one.