user_turns: <SILENCE> im looking for a restaurant in the center part of town japanese food <SILENCE> what is the address and 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 ? There are restaurants in the centre of town . What type of food do you want? api_call japanese R_location R_price wagamama is a nice place in the centre of town serving tasty japanese food The phone number of wagamama is wagamama_phone  you are welcome