user_turns: <SILENCE> a expensive restaurant serving japanese food <SILENCE> address phone number 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 ? api_call japanese R_location expensive wagamama is a great restaurant serving japanese food and it is in the expensive price range Sure , wagamama is on wagamama_address The phone number of wagamama is wagamama_phone  you are welcome