B: No, I don't think so.

A:  Mind if I sit down?

B:  No, go ahead.

A: May I use this telephone?

B: Certainly.

A: I wonder if we could park here.

B: No, we better not.

A: Let me get your phone number.

B: Sure, it's 55-7554. Got it?

A:  Yeah, thank you.

A: Wait a second. I want to write it down.

B: Okay. It's 150 Poplarville, apartment 3-G.

A: May I bother you a minute?

B:  Sure. What can I do for you?

A: You can't enter the building without permission.

B: I've lost the permission card.

A: Can you give me a better price?

B: I am sorry. we can't change the price.