Hi.
user
Hello, how may I aid you at this moment?
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
Sure, may I know your good name.
assistant
Shirley Moore here.
user
Ok, please wait for a minute.
assistant
Ok.
user
Thanks for waiting, there is no active reservation found on your name.
assistant
That's ok, thank you for your help.
user
Thank you for choosing us.
assistant