根据中文提示，把对话中缺少的内容写在线上。这些句子必须符合英语表达习惯。打句号的地方，用陈述句；打问号的地方，用疑问句。
提示：一位女士来到商场，她是第一次来中国游玩，想要买一些纪念品给自己的孩子们。售货员热情地招待了她，在了解这位女士的需求后，推荐她购买了中国的传统服饰。
A= Saleswoman M = Madam
A: Good afternoon, madam. 51.（）?
M: Yes. I want to buy some souvenirs for my children. Do you have any good advice?
A: Of course I can. 52.（）?
M: My daughter is nine years old and my son is five years old.
A: Oh! How about buying traditional Chinese clothes for them?
M: 53.（）! I’d like to get one for myself.
A: This is a very popular series of clothes in our store, and buy the discount today.
M: Wow! They’re so beautiful. 54.（）?
A: The total is 300 RMB.
M: 54.（）. Can I pay by credit card?
A: No problem. Here’s your receipt and your clothes.
M: OK. Thank you very much.
A: It’s my pleasure, madam.