user_turns: <SILENCE> i would like an expensive restaurant in the east part of doesnt matter <SILENCE> is there another restaurant is there anything else what is the phone number what is the type of food 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 grafton_hotel_restaurant is a nice restaurant in the east of town serving british food grafton_hotel_restaurant is a nice restaurant in the east of town in the expensive price range sitar_tandoori is a nice restaurant in the east of town serving indian food The phone number of sitar_tandoori is sitar_tandoori_phone sitar_tandoori serves indian food  you are welcome