写一篇关于 telephone shop 的英语对话；要求要15-20句左右的.
a buyer and a seller the buyer needs a new telephone and the seller offers him different models
Seller:Can I help you?
Buyer:Yeah!I want to buy a telephone,but I do not konw one is valuable.
Seller:Ok it is easy.which the model dou you want to buy?
Buyer:I do not konw which one suit me?
Seller:En.how about the red one,It is cool and beautiful.the function of this one is full.
Buyer,yes it is but I do not like the appearence of it.
Seller:What do you think the blue one.the desighn is the latest .there are so many people buy it .the functionis famillior of the red one.and the price is reasonable.
Buyer; Let me have a look.en.it is good.well this model have another colour.white or black.
Seller:we have the white but not black.
Buyer:Good.I love the white is more than the black.Iwill take it.thank you.
seller; You are welcom .I am looking forward your next coming.
