You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from SEA to IAD?

ASSISTANT: Ok, may I know your name in the meanwhile?

USER: I am George Nelson.

ASSISTANT: May I know your trip dates to go?

USER: I would like to depart on Feb 22nd and return on Feb 24th.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a connecting flight in economy class.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, take your time.

ASSISTANT: There is a connecting flight-1005 in economy class, shall I confirm it?

USER: Yes, please confirm the booking.

ASSISTANT: Ok, booking is done on Delta airlines.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thanks for reaching us, have a good day.