Hello.
user
Hello, how can I serve 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 in changing my reservation?
user
Sure, I will help you. May I know your good name please?
assistant
Thank you, myself Pamela Mitchell.
user
Please wait for a while.
assistant
Ok.
user
Thanks for waiting, there is no active reservation found on your name.
assistant
That's fine, thank you.
user
Thank you for choosing us, have a nice day.
assistant