user_turns: <SILENCE> im looking for a cheap restaurant in the north part of town any kind <SILENCE> what is the phone number and the 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 ? What kind of food 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 Sure , royal_spice is on royal_spice_address  you are welcome