U: I need a place to eat that is expensive.

S: There are many options for expensive dining.

U: Specifically, I would like an Indian restaurant.

S: There are a number of expensive Indian options.  Is there a specific part of town you were looking for?

U: Not really, as long as it is open on Monday and has room for 5 people.

S: It appears that the Curry Garden meets your needs! Would you like me to book that for you?

U: Yes, please make reservations for 5 people at 16:45 on Monday.

S: Booking was successful. The table will be reserved for 15 minutes.
Reference number is : J8918H0X. anything else i can help you with?

U: Thanks. I also need a train from Bishops Stortford to Cambridge.

S: What day will you travel?

U: Do they serve alcohol everyday at this restaurant?
S: The Curry Garden serves alcohol, but I am not sure if they serve it everyday of the week. Do you have any other questions?