user_turns: <SILENCE> north part of town dont care cheap <SILENCE> what is the phone number and 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 ? There are restaurants in the north of town . What type of food do you want? There are restaurants in the north of town serving any kind of food . What price range would you like? api_call R_cuisine north cheap royal_spice is a nice place in the north of town and the prices are cheap The phone number of royal_spice is royal_spice_phone  you are welcome