Work in pairs. Complete the dialogue. A:Hello.Can I help youB: Yeah, how much is ...?A: That one is ... .B: Hmm... But it's expensive. Can you make it cheaper?A: But it's a bargain at that price.B: Well, I don't know ... I think it's better to shop around.A: Okey, okey, I can give you the best price ... It's just because you look like a nice person.B:I don't know... It's still expensive . ...Thanks anway.A: Okey, my final price is ... .B: Great! I'm going to take it. It's a good bargain.