user_turns: <SILENCE> restaurant dont care <SILENCE> <SILENCE> 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 ? What part of town do you have in mind? What kind of food would you like? api_call R_cuisine R_location cheap nandos_city_centre is in the cheap price range The phone number of nandos_city_centre is nandos_city_centre_phone The post code of nandos_city_centre is nandos_city_centre_post_code  you are welcome