Hi.
Hello.
I am Katherine Harris.
How can I assist you today?
Actually I made a earlier reservation to go for a trip with my friends, but heavy work load in office I want to change my reservation. Can you help me?
Sure, please wait a moment.
Ok.
We are sorry to inform you that we did not find any reservation on your given name.
That's Ok, thanks for your assistance.
Thank you for choosing us.