我是大一学生，想以对话形式写两篇英语作文，还望高手指教，感激不尽急急急！

Shopping:

A:Welcome.What can I do for you?
B:Well.You know ,the spring is coming.I want to buy a new dress which is suitable for sping wear.
A:Come and have a look.We have a dress of a new style.It is very modern for young lady to wear.
B:Oh,it is so cute,really. I like it very much.Do you think it is suitable for me?
A:Certainly.You look so beautiful and attractive.This new dress will make you much more lovely.I am sure you will be a man-killer with it.
B:Are you sure?But I don't like this colour.I wonder if you have the purple one.You know my favourit colour is purple.
A:Well.Let me see.Ok.Wait a minute.Let me get you a purple one in the storage.
B:Thank you.By the way,how much is it?
A:It is 500 dollars.You may have a discount if you really want to have it.
B:Of course,I want it.You know it is just during the economical crisis.I think you would like to give me much more discount.By the way,I need a one of middle size.