Shop Assistant: Hello, can I help you?
Customer: I'm looking for a T-shirt.
SA: This one's on sale.
C: 2 How much is it?
SA: Nine pounds ninety-nine.
C: 3 Can I try it on, please?
SA: Yes, of course. The changing rooms are over there
C: 4 It's/They're too big/small... Oh! It's too big.
SA: Yes, here you are. Oh, yes, that's better.
C: 5 I'll take it/the blue one.
SA: Great. Don't forget your change. Goodbye.