That's perfectly all right.
3 seconds sound clip from the A Chump at Oxford (1939) movie soundboard.
You can hear this line at 00:58:55 in the DVD version of the movie.
Quote context
[...]
- Let me see, er... Oh, Fatty? Hand me my memorandum.
- Let me see now. Monday... Tuesday. And, er...
- Suppose we make it Ash Wednesday.
- The professor will be so very grateful to you.
- Incidentally, you may invite him to have lunch with me. I'm having pancakes.
- Thank you, Your Lordship, thank you.
[...]