Hi, I am Edward Lewis.
user
Hello, how can I help you?
assistant
I would like to travel from Philadelphia, PA - PHL to Washington DC - DCA. Can you help me book a flight ticket from 01/20 to 01/22?
user
Sure, I can do that for you. Let me check what flights are available for you.
assistant
Ok.
user
Thanks for your time. Unfortunately we did not find any flights available matching your particulars.
assistant
Thank you for your response.
user
Thanks for reaching us.
assistant