User: I want to watch a movie that makes me laugh
Assistant: you want a comedy?
User: yes , please
Assistant: do you want a romantic comedy?
User: no, I'm not really in the mood for a romance
Assistant: are you looking for an animated movie?
User: no, I would like a live action film
Assistant: are you wanting newer movies?
User: yes, movies from this year only please
Assistant: Any actors you would like to avoid?
User: Andy Dick and Tom Green
Assistant: Any others?
User: No, that's all
Assistant: Any actors you particularly like?
User: Robin Williams is always a great choice
Assistant: There are no movies from Robin Williams this year
User: Let's just go with Robin Williams films that are a comedy
Assistant: Rating?