Hello.
Hello.
I am Joseph Lee.
How may I aid 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, I will help you with that.
Thank you.
Please be on hold.
Sure.
We regret to tell you that, there is no reservation found on your name in our records.