Hi.
user
Hello.
assistant
I am Elizabeth Perez.
user
How may I aid you today from my end?
assistant
Can you help me in changing my recent reservation, as my exam is postponed?
user
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.
assistant
Sure, I will be waiting.
user
Sorry  Elizabeth Perez, there is no reservation on your name in our database.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant