- OK, Captain. Good luck.
- Bye.

4 seconds sound clip from the White Christmas (1954) movie soundboard.

You can hear this line at 00:10:56 in the Blu-ray version of the movie.

Quote context

[...]

- Who do you figure on for the other hunk of dynamite?

- Well, I happen to know a fellow. He's pretty funny in living rooms, kind of has a fair voice, you know, and I... How about me?

- Well, I do a single, you see.

- Yeah, well... That's all right, Captain. I wouldn't want you to feel any special obligation in any way.

- Oh, well. OK, Dynamite, we'll give it whirl.

- OK, Captain. Good luck.

- Bye.

- We're having a heat wave, a tropical heat wave.

- Well, now the temperature's rising, it isn't surprising, she certainly can can-can.

- Let me sing a funny song with crazy words that roll along. And if my song can start you laughing, I'm happy, happy.

- Blue skies, blue skies smiling at me, nothing but blue skies, blue skies do I see.

[...]