Well...
3 seconds sound clip from the Mister Ed - Season 1, Ep. 4 - Kiddy park TV Series.
You can hear this line at 00:11:47 in the DVD version of the episode.
Quote context
[...]
- I phoned Mr. Kramer about boarding my horse here.
- How long do you want to leave him?
- Well...
- Well, um... I'd like to leave him here for 3 days.
- All right. I think we can arrange that.
- I'll pick him up Sunday night.
[...]