Hi.
user
Hello, how may I aid you today?
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
Nicole Martin here.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
That's ok, thank you for your help.
user
Thank you for opting us.
assistant