Hello, myself Donna Martinez.
user
Hello, how may I render you?
assistant
I got an admission in University of Texas, So I need to attend for a certificate verification process. Can you hold me a flight ticket from Washington, DC - DCA?
user
 Sure, we are mirthful to help you.
assistant
Thank you.
user
When are you planning to make your journey?
assistant
My travelling dates are 06/30 - 07/02.
user
Help me with the destination code?
assistant
My landing airport code is TX - AUS.
user
Do you have any preferences?
assistant
Yes, I need a direct flight.
user
Please be on hold.
assistant
Sure.
user
Thank you for waiting, sorry to inform you that unfortunately there is no flights available by the given details.
assistant
Ok, not a problem. Thanks for your information.
user
Thanks for choosing us. Have a nice day.
assistant