user_turns: <SILENCE> eritrean <SILENCE> <SILENCE> what type of food does it er do they serve eritrean food what about vietnamese food does anyone serve eritrean food vietnamese the phone number what type of food alright 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 ? What kind of food would you like? api_call eritrean R_location cheap The price range at royal_spice is cheap . royal_spice serves indian food The price range at royal_spice is cheap . thanh_binh is a great restaurant serving vietnamese food and it is in the cheap price range Can I help you with anything else? Sorry there is no irish restaurant in the cheap price range The phone number of thanh_binh is thanh_binh_phone thanh_binh serves vietnamese food  you are welcome