Hello, I am Edward White.
user
Hello. How can I help you?
assistant
I would like to go to a beach in Washington, so could you please book a ticket for me?
user
Can you please tell your travelling dates?
assistant
I would like to go on 01/08 and return back on 01/10.
user
Can you please tell your travelling locations?
assistant
My source and destination airport codes are DCA and DCA.
user
Sorry, there are no flights available with your requested details.
assistant
That's ok, thank you for checking.
user
Thank you and have a nice day.
assistant