user_turns: <SILENCE> <SILENCE> cheap north <SILENCE> anything else what is the address phone number post code 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 ? Would you like something in the cheap , moderate , or expensive price range? What part of town do you have in mind? api_call R_cuisine north cheap da_vinci_pizzeria is a nice restaurant in the north of town in the cheap price range royal_spice is a nice restaurant in the north of town in the cheap price range 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