Domains: Flights_15, Travel_15

user: Look up round trip economy flights on Delta Airlines.

system: Destination and return date?

user: Leaving the 6th of March and returning the 8th of this month, going to NYC.

system: Departure city?

user: Vancouver, BC.

system: I found 1 flight on Delta Airlines leaving 2:50 am and returning 6 am for $319.

user: Good. Book it for two.

system: Please confirm: 2 economy seats on Delta Airlines from Vancouver to New York on March 6th at 2:50 am, returning March 8th at 6 am.

user: Yep. What's the departure airport? Is that refundable?

system: Your seats are reserved. It leaves from YVR International Airport and is not refundable.

user: Thanks. Look up child-friendly attractions there.

system: I found 10 things to visit. American Folk Art Museum is a good museum for kids.

user: Is it free? What's their number?

system: It's not free and the number is (212) 265-1040.

user: Ok, what else did you find?

system: American Museum of Natural History is a good museum for children.

user: Ok. Bye for now.

system: Enjoy!