Hi.
Hello, how best can I serve 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, can I know your good name please?
Ok, my name is Mark King.
Sure, please wait for a moment.
Ok, I will wait.
Sorry, there is no flight reservation found on your name in our data base.
Ok, not an issue. Anyways, thank you for your service.
Welcome, thank you for reaching us.