U: I am looking for a place to dine. The restaurant should be in the cheap price range and should serve vietnamese food.

S: There is a Vietnamese restaurant in the west area of town that is in the cheap price range called Thanh binh, should I book that for you?

U: Are the portion sizes large for the cost?
S: According to the reviews that I have on hand for this location, the portion sizes have been described as good, pleasantly surprising, and generous!