user_turns: <SILENCE> a restaurant in the west part of town spanish food spanish food anywhere any area spanish food any area spanish food any area spanish food in any area any area any price range <SILENCE> an address the price range 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 west of town . What type of food do you want? I'm sorry but there is no spanish restaurant in the west of town Could you please repeat that? I'm sorry but there is no spanish restaurant in the west of town Could you please repeat that? There are restaurants serving spanish food . What area do you want? There are restaurants serving spanish food in any part of town . What price range would you like? api_call spanish R_location R_price la_raza serves spanish food Sure , la_raza is on la_raza_address la_raza is in the cheap price range  you are welcome