Hello.
Hello, how may I be of your service today?
I have to go to Oakland to attend a graduation day.
Sure, may I know your journey details please?
So, book a ticket from DCA to OAK. My travelling dates are 03/17 and 03/19.
Ok, may I know your name please?
My name is Margaret King.
Ok, please wait I will revert you in a while.
Ok.
Thanks for your patience, flight 1005 with UA airlines matching with your given details. The price is 100  with single connection.
Confirm the ticket.
Ok, your ticket has been confirmed.
Thanks for assisting me.
Thank you for connecting with us.