user_turns: <SILENCE> spanish food spanish i dont care moderate <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 unusual food What part of town do you have in mind? Would you like something in the cheap , moderate , or expensive price range? api_call spanish R_location moderate la_tasca serves spanish food in the moderate price range Sure , la_tasca is on la_tasca_address  you are welcome