User: I want to watch a movie
Assistant: What type of movies do you like?
User: I like ones with a good story line.
Assistant: Do you like movies that make you feel sad?
User: No, but realistic story lines without happy endings are good.
Assistant: A movie based on a true story might be a good idea.
User: Yes I like that type, also horror, action and drama.
Assistant: Shawshank redemption would be a good film for you.