Hi.
Hello.
Pamela Smith here.
How can I assist 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?
Sure, wait a while. I will check the update.
Ok.
Sorry to inform you, there is no reservation found under your name to change.
That's ok, thank you for your help.
Thank you for opting us.