I'm sorry, I have a date.
3 seconds sound clip from the White Christmas (1954) movie soundboard.
You can hear this line at 01:40:46 in the Blu-ray version of the movie.
Quote context
[...]
- I got a cab waiting. We're late.
- Just a second, Ed. I want to...
- Looks like I've got to scoot. Could I see you later tonight maybe?
- You'd better go. You're keeping Mr. Harrison.
- I don't know. I have to think about it.
[...]