System: Good evening, what type of movie are you interested in watching tonight?
User: Do you know any mystery films like "Sherlock Holmes  (2010)" ?
User satisfaction rating (1-5, annotator mean): 3
System: Another one is "Angels & Demons  (2009)" ?
User: No,I haven't seen either of those
User satisfaction rating (1-5, annotator mean): 2
System: Is there anything else I can help you find?
User: I'm sure I'll like them
User satisfaction rating (1-5, annotator mean): 3.67