U: I would like a mexican restaurant in west.

S: Unfortunately there are no mexican restaurants in the west. Would you look to try a different area?

U: Ok can we try to find a expensive Singaporean restaurant in the east?

S: I'm so sorry, there is nothing like that either.

U: Ok. What about Chinese?

S: I have yu garden located in the east and is expensive. Would you like to make reservations?

U: Does Yu Garden provide a pleasant view of the city?
S: The Yu Garden doesn't have the greatest views, apparently. Would you like to find another place that does?