user_turns: <SILENCE> price north <SILENCE> addre address phone number phone number address phone number thank you goodbye
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 part of town do you have in mind? api_call R_cuisine north moderate royal_spice is a nice place in the north of town royal_spice is a great restaurant Sure , royal_spice is on royal_spice_address golden_wok is a nice place in the north of town royal_spice is a nice place in the north of town royal_spice is a great restaurant The phone number of royal_spice is royal_spice_phone  you are welcome