Hi.
Hello.
Jeffrey Allen here.
How may I help you?
I would like to travel DFW for attending client meeting over there. Please, assist me  to book a flight ticket from DCA.
Ok, may I know your trip dates?
My itinerary dates are 07/24 and 07/26.
There is a flight for you with 1 connection. Shall I proceed?
Please reserve the ticket.
Your ticket is booked.
Thank you for your services.
Most welcome.