Domains: Flights_15, Events_25

user: Will you find round trip flights?

system: What's the departure date and destination?

user: I plan on visiting Chi-town on Economy on the 2nd.

system: From where?

user: American Airlines leaving from London, UK.

system: What's the return date?

user: March 4th.

system: American Airlines offers an outbound flight that leaves at 0:10 am and return flight that leaves at 4:30 am for $424.

user: Terrific.

system: Want to buy tickets?

user: Yes for 2.

system: Please confirm 2 Economy tickets for American Airlines from London to Chicago that departs on March 2nd and returns on March 4th. Onward flight departs at 0:10 am and return flight departs at 4:30 am.

user: Great. Is ticket refundable? Departing from which airport?

system: I've completed your reservation. Non-refundable ticket on flight departing from Heathrow International Airport.

user: Will you look for events on that day?

system: Any preference? Music or Sports or something else?

user: Games.

system: Cubs Vs Brewers at Wrigley Field.

user: Cool. That's all.

system: Have a nice day.