Hello.
Hello, may I know your name?
As my seminar got rescheduled, I want to change my existing reservation. Can you help me out? I am Jennifer Hernandez.
Ok, please wait for a moment, I will check the availability of reservation on your name and revert you.
Sure.
Thank you for waiting, unfortunately there is no reservation found on your name.
That's ok, thank you.
Thank you for choosing us.