You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Myself Ashley Green from Washington. I want to go to Denver next week. Can you please book a flight ticket for me?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Thank you for accepting my request, I want to take off on 03/20 and please confirm my return ticket also on 03/22.

ASSISTANT: Can you please share your source and destination airport codes?

USER: I would like to fly from IAD and destination airport is DEN.

ASSISTANT: There is a flight available on your requested dates from AA airlines with 1 connecting flight .Shall I confirm your booking?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Your ticket is booked with flight 1010.

USER: Thank you for your service.

ASSISTANT: You are welcome.