Hi, I am James Carter.
user
Hello, how may I help you?
assistant
I want to travel to Washington, DC-DCA on 12/13 to attend my school friend's birthday party.
user
Ok. Could you please provide the travelling details?
assistant
I would like to start my journey from Washington, DC-IAD and will be returning on 12/15.
user
OK. Give me some moment to check the availability of flight for you.
assistant
Ok.
user
Thank you for patience.. Sorry for trouble, No flights are found based on your availability.
assistant
Thanks for your service.
user
Thank you.
assistant