Hello.
user
Hello. How  can I serve you?
assistant
i am Jason Phillips. Do you have any direct flight from DCA to SEA?
user
Sure , I can help you. Can I know your travelling dates?
assistant
My travelling dates are 08/29 and 08/31.
user
Do you need any break?
assistant
No, I want direct flight.
user
 Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.
assistant
That's fine, thanks for your information.
user
Thank you for picking us.
assistant