Domains: Travel_15, Hotels_25, Flights_45

user: I want to find some new attractions.

system: Where would you like to search?

user: London.

system: 30 St Mary Axe (The Gherkin) is a cool historical landmark.

user: Cool! I also need a house to stay at while I'm there.

system: I found a house rated 4.3 at 1 Addington Street.

user: Is laundry service available?

system: Yes, there is!

user: That house will be perfect! I also need a flight from Washington on March 2nd. I prefer economy seats.

system: On what day are you returning?

user: 8th of this month.

system: I found 2 flights including a Delta Airlines flight that leaves at 12:55 pm for $490. The return flight leaves at 3:55 am.

user: Thanks! That is all I need!

system: Have a nice trip!