Hi.
user
Hello. How may I assist you?
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, I am here to help you out. Can you please share your name?
assistant
Kevin Green here.
user
Wait a moment please.
assistant
Ok.
user
Kevin Green, we haven't found any reservation under your name in our database to change.
assistant
That's ok, thank you for your help.
user
Thank you for reaching us.
assistant