Hi.
user
Hello, how can 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, we are glad to assist you in that.
assistant
Ok.
user
May I know your name for further proceeding?
assistant
Jason Allen here.
user
I am very sorry to inform you that there is no reservation found under your name in our database.
assistant
That's ok, thank you for your help.
user
Thanks for reaching us.
assistant