user_turns: <SILENCE> restaurant in the center spanish food yes spanish food any <SILENCE> phone number postcode 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 ? There are restaurants in the centre of town . What type of food do you want? Did you say you are looking for a restaurant in the centre of town? There are restaurants serving spanish in the centre of town . What price range would you like? api_call spanish R_location R_price la_tasca is a nice place in the centre of town serving tasty spanish food The phone number of la_tasca is la_tasca_phone The post code of la_tasca is la_tasca_post_code  you are welcome