- How about a cigarette?
- No, thank you.
- Yes, a cigarette...

2 seconds sound clip from the Harvey (1950) movie soundboard.

You can hear this line at 00:34:01.248 in the Blu-ray version of the movie.

Quote context

[...]

- You're very lovely, my dear.

- Why, thank you, Mr. Dowd. Some people don't seem to think so.

- Well, some people are blind. That's very often brought to my attention.

- And now I'd like both of you to meet a very dear friend of mine...

- Now why don't we sit down? Won't you have a chair, Mr. Dowd?

- Oh, thank you very much.

- Please, sit down.

- After Miss Kelly.

- Oh, no, really, Mr. Dowd. I couldn't. I'm in and out all the time. But you sit down, please.

- After you.

- Sit down, Kelly!

- Anything we can do for you, Mr. Dowd?

- What did you have in mind?

- Is your chair comfortable?

- Mmm?

- Is the chair quite comfortable, Mr. Dowd?

- Yes. Would you care to try it?

- No, no, no, no, thank you.

- How about a cigarette?

- No, thank you.

- Yes, a cigarette...

- Mr. Dowd, you have us at a disadvantage here. Now you know it and we know it, so let's lay our cards on the table.

- That certainly appeals to me, Doctor.

- Best thing in the long run.

- You know, people are people no matter where you go.

- That is very often the case.

- And being human, are therefore liable to make mistakes.

[...]