Hi.
Hello. How may I assist you today?
I am Christopher Perez. I would like to book a ticket from IAD to OAK, can you help me?
Sure, I will help you with that. May I know your preferable travel dates, please?
My travel dates are 02/14 and 02/16.
Please hold for a while.
Sure.
There is a connecting flight in Southwest airline with a fare of 100. Shall I proceed?
You can book it.
 Christopher Perez, your ticket is booked with the flight-1019.
Thank you for booking.
Thank you for reaching us, have a great day.