Hello, Emily Lewis here.
Hello, how may I oblige you today?
 I would like to book a flight ticket to Washington DC - DCA to visit National Mall for shopping with my friends. Can you help me with booking flight within 500?
Sure, I will help you with that.
Thank you.
Can you please provide your take  airport code?
TX - DFW, Dalls & Fort Worth.
What are your planned trip dates?
My trip dates are 07/30 - 0801.
Ok, please wait a moment, let me search a flight for you.
Sure.
 Thanks for your precious time. We found Frontier airline fare of 100. Shall I proceed for booking with single stop over flight?
Ok, proceed for booking.
Your ticket has been confirmed with airline number 1014.
Thanks for your kind service.
Thank you for choosing us.