Hi.
user
Hello,.
assistant
I am Kevin Lee.
user
On what way, can I help you today?
assistant
I want to book a flight ticket from Austin AUS  to attend a robotic workshop at Washington, PA-PHL., can you help me to book a flight ticket? My landing point is DCA.
user
Please be patient, while giving your journey details. Ok, On what dates you have preferred to travel?
assistant
I would like to travel on 05/15 to 05/17.
user
Ok, please be wait.
assistant
Sure.
user
Thanks for waiting. Sorry Kevin Lee, no flights found on your journey dates for your journey.
assistant
Ok, no problem. Thanks for your information.
user
Thanks for opting us.
assistant