user_turns: <SILENCE> <SILENCE> cheap restaurant north part of town is there anything else yes <SILENCE> whats the address phone number what type of food do they serve 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 in the cheap price range . What type of food do you want? There are restaurants in the cheap price range and the north of town . What type of food would you like? You are looking for a restaurant serving any kind of food right? api_call R_cuisine north cheap royal_spice is a nice place in the north of town and the prices are cheap Sure , royal_spice is on royal_spice_address The phone number of royal_spice is royal_spice_phone The post code of royal_spice is royal_spice_post_code  you are welcome