user_turns: <SILENCE> cheap restaurant that serves vegetarian food how about indian food <SILENCE> address 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 ? I'm sorry but there is no restaurant serving vegetarian food api_call R_cuisine R_location cheap the_lucky_star is in the cheap price range Sure , the_lucky_star is on the_lucky_star_address  you are welcome