请帮忙找关于购物的英语情景对话,每人至少要有五句

A :can i help you?
B:thank you,i want to buy a pair of shoes
A:what do you think about this pair?
B:they're too plain.i want more colorful one's
A:what about those shoes?
B:they're beautiful!i love them
A:try them on please.
B:hmmm,they fit me.how much are they?
A:they're 100 dollars.
B:ok!i'll take them.