Hi. Charles Nelson here.
Hello, how may I oblige you today?
I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. can you please help me out with changing of my reservation?
Surely, I will help you. Please allow me a few minutes to check the status of your reservation.
Ok.
Thank you for waiting, no reservation was found on your name to change.
That's ok, thank you for your help.
Thank you for reaching us, we hope to serve you again.