user_turns: <SILENCE> im looking for an expensive restaurant in the east part of town any kind <SILENCE> may i get the address and phone number what about 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 ? There are restaurants in the expensive price range and the east of town . What type of food would you like? api_call R_cuisine east expensive royal_standard is a nice place in the east of town and the prices are expensive The phone number of royal_standard is royal_standard_phone The post code of royal_standard is royal_standard_post_code  you are welcome