U: Hi, I'm looking for a Persian restaurnt in the north part of the city.

S: Unfortunately there are no Persian restaurants in the city. Would you like to try a different cuisine?

U: How about asian oriental food?

S: Saigon city serves Asian oriental food, is in the north part of town and in the expensive price range.

U: Does the Saigon city have a chow mein on the menu that is not too expensive?
S: Yes Saigon City does offer an affordable chow mein. Would you like me to book a table for you there?