user_turns: <SILENCE> japanese <SILENCE> price range price address price range thank you goodbye
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 ? api_call japanese R_location R_price wagamama serves japanese food wagamama is a great restaurant I am sorry but there is no other japanese restaurant that matches your request Sure , wagamama is on wagamama_address wagamama is in the expensive price range  you are welcome