Why not?
3 seconds sound clip from the Vacation (1983) movie soundboard.
You can hear this line at 00:59:56 in the DVD version of the movie.
Quote context
[...]
- The motel will cash your check.
- They better. We're gonna run out of gas.
- I'm sorry, sir. I can't accept this credit card.
- Why not?
- The computer says it's been reported lost.
- Well, you'll have to straighten that out with your bank.
- Would you take a personal check?
[...]