Hi.
user
Hello, what can I do for 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
Brandon Smith here.
user
Ok, please wait for a minute.
assistant
Ok.
user
Sorry to say that, there is no active reservation found on your name.
assistant
That's ok, thank you for your help.
user
Thank you for opting us.
assistant