Hi, I am Gary Wilson.
Hello, how may I assist you?
I want to book a flight ticket to Washington with price 500. Can you please help  me with it?
Sure, may I know your trip dates?
Trip dates are 07/09 and 07/11.
Can you please share me your airport codes?
Airport codes are DFW-DCA.
We found a flight on your details with airline Hawaiian, flight number: 1014. Shall I proceed for booking?
Yes, you can proceed with booking.
Your ticket has been booked.
Thanks for the help.
Thanks for choosing us.