Found some good stuff here from Annie Hall:

Pedestrian: Are you on television?
Alvy: No. (After a long pause, Alvy admits) Yeah, once in a while...
Pedestrian: What's your name?
Alvy: You wouldn't know. It doesn't matter. What's the difference?
Pedestrian: You're on, uh, the, uh, the Johnny Carson, right?
Alvy: Once in a while, you know...
Pedestrian: What's your name?
Alvy: I-m - I'm uh, I'm Robert Redford.
Pedestrian: Come on.
Alvy (extends his hand for a shake): Alvy Singer. It was nice. Thanks very much for everything.
Pedestrian: Hey (loudly beckoning a friend)! Dis is Alvy Singah!
Alvy (exasperated): Fellas, you know...
Pedestrian: Dis guy's on television!!! Alvy Singer. Right? Am I right?
Alvy: Gimme a break...
Pedestrian: Dis guy's on television!!!
Alvy: I need the large polo mallet.
2nd man: Who's on television?
Pedestrian: Dis guy - on the Johnny Carson Show.
Alvy: Fellas, what is this? A meeting of the Teamsters?
2nd man: What program?
Pedestrian: Kineye 'ave your ortograph?
Alvy: You don't want my autograph?
Pedestrian: No, I do. It's for my girlfriend. Make it out to Ralph.
Alvy: (after a double-take) Your girlfriend's name is Ralph?
Pedestrian: It's for my bruddah. (He is handed to autograph) ALVY SINGER!! HEY! THIS IS ALVY SINGER!!