user_turns: <SILENCE> restaurant any center spanish food any <SILENCE> address address phone number post code 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? There are restaurants if you don't care about the food . What area do you want? There are restaurants in the centre of town serving any kind of food . What price range would you like? 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 la_tasca is a great restaurant Sure , la_tasca is on la_tasca_address The phone number of la_tasca is la_tasca_phone The post code of la_tasca is la_tasca_post_code  you are welcome