user_turns: <SILENCE> cheap restaurant north part of town any <SILENCE> address phone number is there anything else address and phone number type of food 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? api_call R_cuisine north cheap da_vinci_pizzeria is a nice place in the north of town and the prices are cheap The phone number of da_vinci_pizzeria is da_vinci_pizzeria_phone royal_spice is a nice place in the north of town and the prices are cheap Sure , royal_spice is on royal_spice_address royal_spice is a great restaurant  you are welcome