User: I think I want to see a movie, but I'm not sure about what specifically I want to see.
Assistant: Well, what do you like.
User: Generally, I like comedies. But they have to be smart.
Assistant: OK. What else do you like.
User: I want a good guy or good girl protagonist that everyone likes.
Assistant: Interesting. I'm narrowing the field a bit. Go on.
User: I also would like to see a film under two hours. I just don't have all day, unfortunately.
Assistant: OK. We're starting to take a turn, here. What don't you want to see.