- How about a carnation for your buttonhole?
- No thank you.

3 seconds sound clip from the The Lost Weekend (1945) movie soundboard.

You can hear this line at 00:57:53.907 in the Blu-ray version of the movie.

Quote context

[...]

- You had another bottle, you know you did. Where did you put it? You're not crazy. Where did you put it?

- It was so beautiful, so wonderful, the stars above us shone, we were alone, we were alone...

- Check please.

- Right here, sir.

- Yes sir?

- Another gin vermouth, please.

- Yes, sir.

- Thank you. Where's your wash room?

- Over there, sir.

- How about a carnation for your buttonhole?

- No thank you.

- Thank you, sir!

- Wash your hands?

- Thank you.

- All ready, sir.

- Would you wipe my shoes?

- Yes, sir.

- Carnation, sir?

- I already took one.

- You did?

- For a very kind lady.

- Yes, sir. Thank you, sir.

[...]