Hello.
Hello. How may I assist you today?
Can you please find a flight for my business trip from DCA to DFW?
Sure, I am glad to help you with that. Can I know your travelling dates?
My journey dates are form May 20th to May 22nd.
Do you have any other requirements?
I need economy class reservation.
May I know your name?
My name is Timothy Walker.
There is a flight  with the connection limit 1 in the American airlines and the ticket cost is 100. Shall I proceed to reserve an economy class flight ticket?
Ok, please proceed with booking my reservation with this flight.
Your ticket is reserved with the flight number 1000 which is depart at 2:00 and return at 9:00 AM.
Thank you for your humble assistance with booking.
Thank you for reaching us. Have a safe journey.