user_turns: <SILENCE> spanish food <SILENCE> phone number address the 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 ? api_call spanish R_location R_price la_tasca serves spanish food . The phone number of la_tasca is la_tasca_phone la_tasca serves spanish food . Sure , la_tasca is on la_tasca_address  you are welcome