Hello.
Hello, may I know your name please?
Sure, my name is Thomas Brown.
Yes, how can I help you?
My business trip has been postponed.Can you please help me for changing the existing reservation?
Sure, please wait for a moment.
Ok.
Sorry, there is no reservation found by your name.
No problem.
Do you want to have any more information please?
Thank you for your information.
Thank you and have a nice day.