Hi. Charles Nelson here.
user
Hello, how may I oblige you today?
assistant
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?
user
Surely, I will help you. Please allow me a few minutes to check the status of your reservation.
assistant
Ok.
user
Thank you for waiting, no reservation was found on your name to change.
assistant
That's ok, thank you for your help.
user
Thank you for reaching us, we hope to serve you again.
assistant