user_turns: <SILENCE> i want an expensive restaurant in the east part of town dont care <SILENCE> is there anything else is there anything else whats the address phone number and post code what is 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 kind of food would you like? api_call R_cuisine east expensive yu_garden is a nice restaurant in the east of town serving chinese food yu_garden is a nice restaurant in the east of town in the expensive price range royal_standard is a nice restaurant in the east of town serving gastropub food The phone number of royal_standard is royal_standard_phone The post code of royal_standard is royal_standard_post_code  you are welcome