Domains: Trains_15, Hotels_25

user: Please find me train tickets for the 13th.

system: Sure. Please tell me your origin and destination cities.

user: Please search for tickets from NYC to ATL.

system: Your search has yielded 7 suitable trains. There's a train leaving at 7:20 am and the total cost is $190.

user: The origin and destination stations, please?

system: The train leaves from Grand Central Station, destined for Peachtree Station.

user: That would work.

system: Should I go ahead and reserve tickets?

user: No, I don't want to by ticket at the moment. Please find me a house to stay there.

system: I have found 10 nice houses that might interest you, among them at 4.3 rated house at 101 Andrew Young International Boulevard Northwest.

user: This house sounds good.

system: Should I go ahead and reserve this house?

user: No, At the moment, I don't want to. That will be all.

system: Glad to have been of service. Bye.