user_turns: <SILENCE> im looking for expensive restaurants in the east part of town any kind of food <SILENCE> <SILENCE> anything else what is the phone number what is the address okay 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 Sure , sitar_tandoori is on sitar_tandoori_address  you are welcome