A: Hello. 1) Can I help you?
B: Yes, I'm looking for some pencils. 2) Do you have any?
A: Yes, of course. 3) How many would you like?
B: Four please. 4) How much are they?
A: They're 50p each.
B: Good. I'd like these four. How much is that?
A: That's two pounds please.