Hi.
Hello. How can I help you?
 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?
Can I know your name?
Debra Clark here.
Let me check status with your recent reservation.
Ok.
Sorry, no reservation found by your name.
That's ok, thank you for your help.
Thank you.