Hello.
Hello, how can I help you?
 I have planned for a holiday vacation tour but suddenly the dates got changed, so I would like to change my reservation, can you help me with it?
Sure, I will help you.
Thank you.
May I know your name please?
I am Raymond Moore.
Please hold on for a while.
Sure.
We don't have any reservation on your name to change.
Its ok, thank you.
Thank you.