A指售货员 B指买东西的人A：Can I help you?B:I want to buy a T-shirt/coat.(想买的东西的名字）A：Ok,What about this .B;it is too small/big.Do you have a big/small one A; Yes.I think this is suitable for ...我需要长一点的A指售货员 B指买东西的人A;n I help you?B:I want to buy a T-shirt/coat.......(想买的东西的名字）A：Ok，What about this ......B;it is too small/big.Do you have abig/small one ?A; Yes.I think this is suitable for you.B:Can I try it on ?A;Of cause.The changing room is over there.B:How do I look in this dress?A;You look very nice.B:Oh, How much is it?A:This one is only .....yuan,B:It's good price.I'll take it. Here you are.A:Thank you.Welcome to your next coming.B: I think I'll.