a) The sentences are from the dialogue between a shop assistant and a customer. Which sentences does each person say? Listen, read and check.

Shop assistant: - Good morning, sir. How can I help you? - The shirts are over here. Any particular colour? - What size are you? - What about this one? - You're welcome! - That's £15, please. - Thank you. Have a nice day! John: - I'm looking for a shirt. - A blue one, please. - I'm a size 16 collar. - That's fine. Thank you. - How much is it? - Here you are.