Thank you, but some other time perhaps.
2 seconds sound clip from the Meet Me in St. Louis (1944) movie soundboard.
You can hear this line at 00:58:46.055 in the DVD version of the movie.
Quote context
[...]
- I'm the most horrible! I'm the most horrible!
- Thank you for dropping me off, Colonel Darly.
- It was my pleasure, Miss Smith.
- I'm sure the ice cream would have been melted if it weren't for your thoughtfulness.
- Glad to be of service. Good night.
- Would you like to come in? There's plenty of ice cream, and I know my folks would love to meet you.
- Thank you, but some other time perhaps.
- Oh, give my regards to Tootie.
- Thank you. She's such a chère enfant. Yes. Yes, she certainly is. Good evening.
- Oh, Es, he's simply enchanting. And so mature.
- Well, how did it happen? Where did you meet?
- I was coming out of Huntsinger's, and he was coming in. I bumped into him. Accidentally?
- Almost.
[...]