Hi.
user
Hello, how can I help you?
assistant
Ruth Edwards here. I would like to book a flight ticket from DCA to SEA.
user
Sure, can you please tell your travelling dates?
assistant
I am planning to start on 02/18 and return back on 02/20.
user
Sorry, there are no flights available with your requested details.
assistant
Ok, no problem. Thank you for the information.
user
Thank you and have a nice day.
assistant