What are you supposed to be, some kind of a cosmonaut? No, we...
Man at Elevator: What are you supposed to be, some kind of a cosmonaut?
Dr. Peter Venkman: No, we're exterminators. Someone saw a cockroach up on twelve.
Man at Elevator: That's gotta be some cockroach.
Dr. Peter Venkman: Bite your head off, man.
Dr Ray Stantz: [Entering elevator] Going up?
Man at Elevator: I'll take the next one.