I know.
3 seconds sound clip from the The Big Knife (1955) movie soundboard.
You can hear this line at 00:48:54 in the Blu-ray version of the movie.
Quote context
[...]
- It's all right, but don't be too long. He has to have his lunch.
- Bye.
- He got over his cold okay, huh?
- I called you six or seven times.
- I know.
- Listen, would you do me a big favor? Come to dinner tonight.
- Yeah.
- I have to do something for Buddy. He's been avoiding me since that Patty Benedict bit.
- He thinks he let me down or something. I don't know.
[...]