Hi.
Hello. How may 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, please share me your name.
Carol Evans here.
Sorry, there is no active reservation on your name.
That's ok, thank you for your help.
Thank you.