Hi.
Hello.
I am Elizabeth Perez.
How may I aid you today from my end?
Can you help me in changing my recent reservation, as my exam is postponed?
Sure, I am here to help you out. Please allow me a moment to check whether any active reservation is found on your name or not.
Sure, I will be waiting.
Sorry  Elizabeth Perez, there is no reservation on your name in our database.
That's ok, thank you for checking.
Thank you for reaching us.