买鞋的=A,卖鞋的=B
B:Hi,sir,is there anyting I can help?
A:yes.I'm looking for a pair of shoes for my son,but i'm not sure which one he will like?
B:well,do you know what brand does your son likes?
A:He likes Nike.I remember last time he told me that he wishes he could've a pair of Nike shoes.
B:we just got some new Nike shoes,they are allnew design that the most teenage would like.How old is yoour son?
A:He is sixteen,but after four days will be his seventeen birthday,so,I want to give him a surprise.
B:wow,that's great!You are a great father.What size does your son wear?
A:about 9.5.(美国尺寸）
B:These are all 9.5 ft.we have red,yellow,green,silver,and dark colors.Do you know what color does your son likes?
A:i'm not sure,i guess he might favours dark color.I saw him wearing black shoes some times.
B:Then this one might fits him very well.
A:Let me see.yes,it looks preet good.I think my son will like it.I will have this one.How much is it?
B:The original price is one hundred dollar but now we have a twenty percent off for any shoes in the store.Thus,you really come on time,because today is our last day on sale.
A:Do you accept credit car?
B:Yes.Thank you very much and have a nice day.
A:Thank you!