user_turns: <SILENCE> how european food is there a restaurant that serves european food yes yes 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 ? I'm sorry but there is no restaurant serving unusual food You are looking for a european restaurant right? Let me confirm , You are looking for a restaurant in the cheap price range right? I'm sorry but there is no restaurant serving cheap european food  you are welcome