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