Hello, I am Thomas Lopez.
Hello, how may I assist you?
I want to book a flight ticket from PHL to CLT, can you help me with booking?
Sure, may I know your planned travel dates please?
My planned travel dates are Oct 21 and Oct 23.
Would you like to prefer direct flight or connecting flight?
I need a connecting flight.
 Do you have any particular time for departing and returning?
My depart time is evening.
Sorry, there is no flight available on your requested dates.
Ok, no problem.
You are welcome.