Mmm. That's fine. That's just dandy.
4 seconds sound clip from the Miracle on 34th Street (1947) movie soundboard.
You can hear this line at 00:16:51 in the Blu-ray version of the movie.
Quote context
[...]
- Psst. Psst. Macy's ain't got any. Nobody's got any.
- Well, Peter, I can tell you're a good boy. You'll get your fire engine.
- You see? I told ya he'd get me one.
- Mmm. That's fine. That's just dandy.
- Listen, you wait over there. Mama wants to thank Santa Claus too.
- Say, listen, what's the matter with you? Don't you understand English?
- I tell ya, Macy's ain't got any. Nobody's got any.
- I've been all over. My feet are killin' me.
- Fine thing promisin' the kid.
[...]