<|user|> i would like to find a cheap restaurant . it should be in the north side of town . <|system_actions|> request slot food <|user|> no preference for food type , thank you . <|system_actions|>  <|user|> great ! da vincere pizzeria and royal spice be both cheap and locate in the north part of town .
inform price range cheap,inform area north,inform food dontcare