user_turns: <SILENCE> im looking for a restaurant that serves german food yea how about french food a restaurant serving french food thank you good bye
system_turns: Hello , welcome to the Cambridge restaurant system . You can ask for restaurants by area , price range or food type . How may I help you ? You are looking for a german restaurant right? Let me confirm , You are looking for a restaurant in the moderate price range right? I'm sorry but there is no restaurant serving german food You are looking for a german restaurant right?  you are welcome