[the Ghostbusters exit the elevator. Dr. Egon Spengler charges his proton pack]
Dr Ray Stantz: Come on.
[Chambermaid enters Hallway/corridor from Hotel Room]
Dr Ray Stantz: [Ray and Egon shout and blast her cart with proton beams]
Dr. Peter Venkman: Whoa! Hold it!
Chambermaid: What the HELL are you doing?
Dr. Egon Spengler: Sorry.
Dr. Peter Venkman: Sorry.
Dr Ray Stantz: I'm Sorry.
Dr. Peter Venkman: We thought you were someone else. Successful test.
Dr Ray Stantz: I guess so. I think we'd better split up.
Dr. Egon Spengler: Good idea.
Dr. Peter Venkman: Yeah, we can do more damage that way.