Hello, I am Barbara Hill.
Hello. How may I help you out?
Can you please help me to book a flight ticket from DCA - HOU?
Sure, I will help you in booking the ticket. May I know your travelling dates please?
My travelling dates are 07/22 to 07/24.
Sorry, there are no flights found in our database.
No problem, thanks for your information.
Thank you for choosing us.