Domains: Trains_15, Hotels_25

user: I'd like to find a train going from Portland, OR with flexible tickets.

system: What's your destination, and when are you travelling?

user: The 1st of this month, heading to seattle, WA

system: I have 9 options. How about this one leaving at 9:10 am for $80.

user: Sounds good, can I find a house there?

system: There's 10 houses available. How about 1000 1st avenue, rated 4.5?

user: Do they have laundry?

system: Yes.

user: Thanks, that's all I need.

system: Have a good day!