用英文编一段购买一件毛衣时 与售货员的对话

A：Madam,what can I do for you
B:En,I'd like to buy a sweater for my daughter.
A:so,what size do you want
B:My daughter is not so fat ,just M please.
A:ok,please wait a moment .
A:what about this one?It's blue and comfortable.
B:Oh,It's good.I'm sure my daughter will like it very much.And how much is it
A:Just 65 dallors.
B:ok .I 'll buy it.Thanks a lot.
A:You are welcome.Good by.