U: I would like to find in Cambridge, a restaurant, located in the Centre area.   I love spanish food.

S: I have La Tasca downtown here at 14 - 16 Bridge street.

U: The restaurant should be in the expensive price range

S: I do not have any in the centre, another criteria perhaps?

U: How about african food?

S: I was able to find bedouin, would you like to try that?

U: Do they offer good portions here?
S: Bedouin restaurant has been top ranked by its customers for especially serving them with considerable portions of food .