user_turns: <SILENCE> how about european food how about european food <SILENCE> can i have the address phone number and area 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 ? I'm sorry but there is no restaurant serving unusual food api_call unusual R_location expensive sitar_tandoori is in the expensive price range The phone number of sitar_tandoori is sitar_tandoori_phone  you are welcome