user_turns: <SILENCE> im looking for an expensive restaurant in the east part of town it doesnt matter <SILENCE> um can i get a phone number what kind of food do they have what kind of food do they serve thank you goodbye
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 place in the east of town and the prices are expensive grafton_hotel_restaurant is a nice place in the east of town and the prices are expensive The phone number of grafton_hotel_restaurant is grafton_hotel_restaurant_phone grafton_hotel_restaurant is a great restaurant grafton_hotel_restaurant serves british food  you are welcome