U: Can you tell me where I can find an expensive chinese restaurant?

S: There are 9 expensive Chinese restaurants. Do you have a specific area you would like?

U: I would prefer the city centre please.

S: I have 4. How about hk fusion?

U: I would like to book a table for 6 people at 13:30 on Sunday.

S: The booking for hk fusion was unsuccessful. Would you like a different restaurant?

U: Will try another one in the same area and price range? If you can book it, will you give me the reference number?

S: You are booked into the ugly duckling which is in the expensive price range in the centre of town. Your reference number is 3RFXW8G6. Is there anything else?

U: Does this restaurant serve alcohol?
S: Yes, one should expect to be able to be served an alcoholic beverage when dining at the Ugly Duckling.