U: I want to eat chinese food in the centre.

S: How about Charlie Chan?  It is a cheap chinese restaurant in the centre.

U: Sure. I would like to book a table for 5 people at 11:00 on Saturday.

S: I'm booking you a table for 5 at 11:00 Saturday at Charlie Chan. What name should I place this under?

U: Book it for XXXX, can I please get a reference number?

S: Booking was unsuccessful. Would you like to find another restaurant?

U: Are there any other cheap restaurants in the area?

S: Not in that criteria, perhaps another area or price range?

U: Are there any in the same area and price range but not Chinese?

S: I don't know what I was thinking earlier, we actually have a lot of cheap restaurants in the centre. J Restaurant serves Asian Oriental. Should we try that?

U: Do they offer large portion sizes?
S: No, the portion sizes seem to be on the smaller side, and customers don't seem to find them satisfactory.