user_turns: <SILENCE> persian persian indian dont care cheap <SILENCE> address 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 ? You are looking for a eritrean restaurant right? I'm sorry but there is no restaurant serving eritrean food There are restaurants serving indian food . What area do you want? There are restaurants serving indian food in any part of town . What price range would you like? api_call indian R_location cheap royal_spice serves indian food in the cheap price range royal_spice is a great restaurant Sure , royal_spice is on royal_spice_address  you are welcome