Domains: Trains_13, Hotels_23

user: I want to find a train, any fare class will do

system: Where are you leaving from and what date?

user: I want a ticket from Seattle on the 12th

system: Sure, where are you heading?

user: I'm gonna make my way to Portland

system: There are 10 trains that would work for you, so how about this 8 am train that costs $67?

user: That's good for me, now help me find a house to stay in

system: There are 10 houses I found, and one is rated 4.1 and it's at 1000 Northeast Multnomah Street.

user: That's awesome, that's it for me right now

system: Sure, glad I could be of help