user_turns: <SILENCE> japanese food japanese food <SILENCE> price range address 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 ? What kind of food would you like? api_call japanese R_location R_price wagamama serves japanese food . wagamama is in the expensive price range Sure , wagamama is on wagamama_address  you are welcome