Hi.
user
Hello, how can I help today?
assistant
I am Joshua Thomas. I have to book a flight ticket  that I am unable to do, could you please help me in booking flight ticket on dates 10/19 and 10/21?
user
Sure, kindly share your airport codes.
assistant
My airport codes are PHL and ATL.
user
Do you have any connection preference?
assistant
I need a direct flight.
user
Sorry to say, no flights found with your requirement.
assistant
Ok, no problem. That's ok, thank you for the response.
user
Thanks for reaching us.
assistant