Domains: Flights_15, Buses_15

user: Could you help me find one-way flights? I'd like to leave from Washington on the 4th of this month. I'm only looking for refundable tickets as my plans may change.

system: Where did you want to visit?

user: I'd like to travel to Philadelphia.

system: I found 1 flight for you. An American Airlines flight with 1 stop departs at 8 am and the price is $123.

user: What is the departing airport and when will the onward flight arrive?

system: The flight will leave from Dulles International Airport and the onward flight will arrive at 11:36 am.

user: That flight will work for me.

system: Did you wish to buy tickets for this flight?

user: Possibly later.

system: Did you need help with anything else?

user: Could you also help me find a bus going there? It will be for two people and I am planning to leave on March 9th.

system: I found a bus with 0 transfers leaving at 7:10 am for $27.

user: Were there any other buses?

system: There is another bus with 0 transfers leaving at 7:50 am for $24.

user: That should work. Could you help me book the flight you found earlier? There are four people in my group and any class will be OK.

system: Please confirm you're booking an American Airlines flight for 4 from Washington to Philadelphia on March 9th in Economy class.

user: Yes, that is correct.

system: Your reservation has been made.

user: Thank you, that will be all I need.

system: Have a great day.