user_turns: <SILENCE> restaurant any area japanese food yes japanese <SILENCE> japanese yes <SILENCE> <SILENCE> <SILENCE> japanese thank you 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 ? Ok , a restaurant in any part of town is that right? What kind of food would you like? You are looking for a cantonese restaurant right? I'm sorry but there is no restaurant serving cantonese food Ok , a restaurant in any part of town is that right? You are looking for a cantonese restaurant right? I'm sorry but there is no restaurant serving cantonese food Ok , a restaurant in any part of town is that right? You are looking for a cantonese restaurant right? Ok , a restaurant in any part of town is that right? I'm sorry but there is no restaurant serving cantonese food  you are welcome