U: I would like a restaurant in the south part of town that serves greek food

S: I am sorry there no restaurants matching what you want. Is there anything else?

U: How about Chinese food?

S: Would you like something in the expensive or cheap price range?

U: Cheap, I think.

S: the lucky star serves chinese food, is located in the south part of town and is in the cheap price range.  Would you like more information for them?

U: Can I get lucky and get served an alcoholic beverage at The Lucky Star?
S: The Lucky Star does serve alcoholic drinks but to mixed reviews. Some customers found the prices too high and the selection too limited while others were happy with the decent prices. Would you like to know more about them?