Domains: Trains_13, Hotels_23

user: I need help getting 1 ticket for a train leaving Philadelphia on the 8th.

system: Where are you headed?

user: I'm going to NYC.

system: There are 8 choices, first up is a 10:40 am. The price on the ticket is $43.

user: What about a later option?

system: If you take the 10:50 am train it will cost $52.

user: Why don't you offer a luxurious ticket option?

system: A more expensive train is the 12:20 pm. It costs $84.

user: I appreciate your options.

system: How about a ticket?

user: No, maybe later.

system: What more might you want?

user: Get me a nice house with laundry facilities. It needs to be 3.9 rating or higher.

system: You could try 100 Greenwich Street. It is rated 3.9.

user: Fine, I'll consider that. I have enough now.

system: I live to serve.