A: Excuse me, is this seat taken?

B: No, I don’t think so.

A: Mind if I sit down?

B: No, go ahead.

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A: May I use this telephone?

B: Certainly.

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A: I wonder if we could park here.

B: No, we better not.

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A: Let me get your phone number.

B: Sure, it’s 55-7554. Got it?

A: Yeah, thank you.

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

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

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A: May I bother you a minute?

B: Sure. What can I do for you?

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

B: I’ve lost the permission card.

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A: Can you give me a better price?

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