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