Hello.
user
Hello, how may I help 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 am here to help you with this.
assistant
Thank you.
user
May I know your good name please?
assistant
Sure, myself Scott Wright.
user
Please wait for a moment.
assistant
Sure.
user
Sorry Scott, there is no active reservation found as per your name to change it in your database.
assistant
It's ok, thank you for your help.
user
You are welcome.
assistant