user_turns: <SILENCE> <SILENCE> cheap <SILENCE> east part of town <SILENCE> address phone number 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 R_location cheap The price range at royal_spice is cheap . api_call R_cuisine east cheap the_missing_sock is a nice restaurant in the east of town in the cheap price range Sure , the_missing_sock is on the_missing_sock_address The phone number of the_missing_sock is the_missing_sock_phone  you are welcome