Hi.
user
Hello, how can I aid you today?
assistant
I am Mark Robinson and I want to book a flight ticket from New York, NY-EWR to  explore new things about Billy Graham at The Billy Graham library, can you help me to book a flight ticket?
user
Sure, we are mirthful to help you. May I know your journey dates?
assistant
05/12 and 05/14 are my planned travelling dates.
user
Ok, where you want to travel?
assistant
My destination is Charlotte, NC-CLT.
user
Ok, please wait for a moment.
assistant
Sure.
user
Thanks for your time, no flights were found based on your name.
assistant
Ok, no problem. Thank you.
user
Thanks for availing us, have a nice day.
assistant