user_turns: <SILENCE> uh yes i need the north part of town uh cheap restaurant cheap <SILENCE> okay what kind of food okay can i get the phone number uh phone number okay thank you and 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? Sorry would you like something in the cheap price range or in the moderate price range api_call R_cuisine north cheap royal_spice is a nice place in the north of town and the prices are cheap royal_spice serves indian food royal_spice is a great restaurant The phone number of royal_spice is royal_spice_phone  you are welcome