Hi. I am Timothy Parker.
Hello, how may I assist you today?
I want to visit Liberty Bell at PHL. can you assist me in booking  with a connecting flight?
Sure, may I know your travelling date please?
Ok, My travelling dates are from 12/28 to 12/30.
Let me know your origin airport code, please?
My source point is IAD.
Thanks for giving your details, we found a flight on your details with airline UA, flight number: 1000. Shall I proceed for booking?
Ok, You can proceed.
Your ticket has been booked.
Ok, Thank you.
Thanks for choosing us, have a nice day.