Employee : How can I help you? / May I help you?
Steven : Yes. I’m looking for a sweater.
Employee : Can I try it on?
Steven : Sure, the changing rooms are over there.
Employee : How much does it cost? / How much is it?
Steven : It’s $45.
Employee : How would you like to pay?
Steven : By credit card.
Employee : Can I pay by credit card / check / debit card
Steven : Certainly. We accept all major cards.
Employee : Have you got something bigger / smaller / lighter /
etc.?
Steven : Certainly, we’ve got a smaller sizes as well.