Hello. I am Lisa Mitchell.
user
Hello, how may I serve you the best?
assistant
I want to spend my holidays with my friends at Washington, can you please help me to book a flight ticket from PHL to DCA?
user
Sure, help me with the trip dates?
assistant
Sure, my trip dates are Sept 26 and Sept 28.
user
Do you have any class preferences?
assistant
I am comfortable to travel in any class.
user
Please let me know if you have any other requirements to be met?
assistant
My departing time is morning.
user
Thank you for your details, we do not found any flights running in your desired routes.
assistant
That's ok, thank you for your information.
user
Thank you for reaching us.
assistant