I'm Paul. You must be Tommy.
4 seconds sound clip from the Tommy Boy (1995) movie soundboard.
You can hear this line at 00:15:15 in the Blu-ray version of the movie.
Quote context
[...]
- Tommy, it sounds funny, saying this... but my son is going to be your new brother.
- Brother? I'm gonna have a brother? I've always dreamed about havin' a brother!
- Brother?
- I'm Paul. You must be Tommy.
- Brothers don't shake hands. Brothers gotta hug.
- I can't believe I have a whole new family. This is awesome.
[...]