Find the movie name from the given conversation. If the movie name is not found give output as "unknown"

ASSISTANT: what are the certain types of features you look for in movies? , USER: I like action, and I like dialog, and I like the quality of actors. , USER: If that means anything. , ASSISTANT: does the ending impact how much you like a film , USER: Well, no, cuz I like a surprise ending, so the ending doesn't have any impact on me. , ASSISTANT: Why do you like those genres? , USER: because , USER: That's what I like. I don't know. It's just my taste, I guess. , ASSISTANT: What's one of your favorite movies? , USER: I'd have to say the one who flew over the cuckoo's nest. Have you ever watched it? It's very good.
the one who flew over the cuckoo's nest