Hello. I am James Allen.
Hello, what can I do for you today?
I would like to fly from Washington DC-IAD, to meet my sister after a long time. Would you please aid me in booking a flight ticket?
Sure, when would you like me to book a flight ticket?
My depart will be on 05/31 and return on 06/02.
Can I know your destination  airport code?
My destination airport code is DC-DCA.
Ok, please give me a minute.
Sure.
We found a Delta airline with fare of 200 and a halt in between the journey matches your travelling schedule. Can I proceed with booking?
You can proceed.
Your ticket has been confirmed with flight number 1000.
Thank you.
Thank you for your availing us.