Hey, Marty. I'm not your answering service.
5 seconds sound clip from the Back to the Future movie soundboard.
You can hear this line at 00:15:29 in the Blu-ray version of the movie.
Quote context
[...]
- You come here and kiss your mother before you go. Come here.
- Come on, Mom. Make it fast. I'll miss my bus.
- Hey, Marty. I'm not your answering service.
- While you were outside pouting over the car, Jennifer Parker called you twice.
- Any girl who calls up a boy is just asking for trouble.
- Oh, Mother, there's nothing wrong with calling a boy.
- I think it's terrible. Girls chasing boys.
[...]