Nui : Can I help you?
Bill : Yes, I'm looking for a sweater.
Nui : What size are you?
Bill : I'm an extra large.
Nui : How about this one?
Bill : Yes, that's nice. Can I try it on?
Nui : Certainly, there's the changing rooms over there.
Bill : Thank you.
Nui : How does it fit?
Bill : It's too large. Do you have a large?
Nui : Yes, here you are.
Bill : Thank you. I'll have it, please.
Nui : OK, how would you like to pay?
Bill : Do you take credit cards?
Nui : Yes, we do. Visa, Master Card and American Express.
Bill : OK, here's my Visa.
Nui : Thank you. Have a nice day!
Bill : Thank you, goodbye.