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