Hello.
user
 Hello, how may I oblige you today?
assistant
Shirley Carter here. I want to attend a Marriage in Washington. Can you please help me for booking the flight ticket?
user
Sure, can you please share your journey dates that you prefer to travel?
assistant
My travelling dates are 07/15 and 07/17.
user
Could you please help me with providing your corresponding airport codes?
assistant
My airport codes are PHL and DCA. I want to departure on afternoon.
user
Ok, please wait.
assistant
Ok, I will wait.
user
No flights available on your particular dates of journey.
assistant
Anyway, thanks for the information.
user
Thank you.
assistant