Hello.
Hello, How can I respond to your request?
I got an invitation to host a program, can you please book the ticket from DCA to HOU?
Sure, we are here to make your journey comfort. Will you mention your travelling dates please?
Sure, I would like to depart from my source location on 4th June and I want to return back by 6th June.
Do you need a connecting flight or direct flight?
I prefer single connected flight to travel.
Kindly share your name please.
My name is Paul Wilson.
 Is there any other requirements for this trip to met with, so that I can find a suitable flight for your journey?
No, I don't have any other specifications.
Thanks for providing your details, please wait a moment.
Sure.
Thank you for waiting, we found an economy class ticket providing by AA airline with the flight number-1029 and the fare 100, shall I book the connecting flight?
That's fine for me, you can proceed for booking the ticket.
Your flight booking is confirmed and ticket has been emailed.
Thank you so much for your help.
It's pleasure to serve you.