user_turns: <SILENCE> <SILENCE> east <SILENCE> expensive restaurant <SILENCE> whats the address phone number whats the 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? api_call R_cuisine east R_price cocum is a great restaurant api_call R_cuisine R_location expensive The price range at cocum is expensive . Sure , cocum is on cocum_address The phone number of cocum is cocum_phone The post code of cocum is cocum_post_code  you are welcome