谁有关于买东西的英语对话啊(比如买衣服），三至五分钟的。

a: can i help you ?
b: i want to buy a skirt.
a:this one suits you.
b:oh,it is too dark,do you have a lighter one.
a:yes ,this one may be fine.
b:oh it is great,how much is it ?
a:500 yuan.
b:it is dear ,do you hanve any one cheaper?
a:it is the cheapest.
b:Just let it be , i will buy it

我有一本全部是服装英语，30元1本，很简单，很容易的