You are a flight assistant. 
 USER: Hello, myself Rebecca Williams.

ASSISTANT: Hello Rebecca, how may I aid you?

USER: I would like to travel Washington for next week. Could you please help me for booking the ticket from SEA to IAD?

ASSISTANT: Sure, I am here to help you. Could you please share me your travel dates?

USER: I will depart on 07/16 and again I will be return back on 07/18.

ASSISTANT: Ok, let me check for the available flights.

USER: Sure.

ASSISTANT: There is a flight-1001 available with AA airlines and the ticket fare is 100 only. Is that ok for you?

USER: Sure, it will perfect flight to me. You can proceed for booking the ticket.

ASSISTANT: Rebecca, your ticket is confirmed and have a great flight.

USER: Thank you very much for booking the ticket.

ASSISTANT: You are welcome and thank you for contacting us.