U: Caribbean food in the east part of town. If no such place, Indian.

S: I couldn't find any caribbean restaurants in the east part of town. I will search for indian restaurants next.

U: Great!  Did you find any Indian restaurants in the east part of town?

S: Yes, there are four options.  Two are moderately priced and two are expensive.  Do you have a preferred price range?

U: No.

S: the curry prince is in the east part of town and is in the moderate price range.  Would you like more information for them?

U: Is Curry Prince in a location that's good?
S: One of the past customers said that the location was mediocre while most others were satisfied and said it was easy to find and in the center.