Hi.
Hello, how may I oblige you today?
 I have to cancel my flight ticket that I unable to travel to meet my sister that she came to meet me, can you help me in that one?
Sure, I will help you with that.
Thank you.
May I know your good name?
Sure, my name is Alexander White.
Ok, please wait for a while.
Sure, I will wait.
Thanks for waiting, no active reservation was found on your name in the database.
Ok, no problem. Thank you for your service.
Thank you for reaching us.