What can I do for you, sir?
Can I help you?/May I help you?）
Welcome to pick and buy.
Are you being helped?
Did you find anything you like?
Are you looking for something in particular?
I'm looking for a sweater.
Could I have a look at that dress in the showcase?
Am I allowed to look at that dress in the showcase?
/I'd like to look at that dress in the showcase.
Do you have pants to go with the jacket?
Do you have this in stock?
Is there any of this in stock?
Is there any more of this in a storeroom?
Do you have this in other sizes?
A: Good morning. What can I do for you, sir?
B: I'd like to see some coats. Would you recommend me some of them?
A: Sure. Come to look at these styles. They sell very well.
B: Which models do you sell the most?
A: How about these? They are the current bestsellers.
B: I like this style, but I don't like its color. Do you have this coat in yellow?
A: Yes, I will find one for you. Here you are. It's made of exceptionally good quality, pure wool, and is very soft.
B: It looks nice.
A: Yeah, this is the latest model. If you like it, you can try it on.