System: You should watch "Boyhood  (2014)"
User: I think I saw that and didn't like it.
User satisfaction rating (1-5, annotator mean): 2.5
System: And also "Dumb and Dumber To (2014)"
User: Oh I didn't like that either.
User satisfaction rating (1-5, annotator mean): 2.25
System: A good comedy is "Nebraska  (2013)"
User: Maybe something newer?
User satisfaction rating (1-5, annotator mean): 2.75
System: Goodbye
User: I will but I need a backup
User satisfaction rating (1-5, annotator mean): 2.5