Hello. Myself Elizabeth Perez.
Hello, how may I help you?
I need to change my exiting reservation, can you please help me out?
Ok, I will help you.
Thank you for accepting my request.
Please wait for a while.
Sure, I will be waiting.
Sorry to inform you Perez, there is no active reservation found with your name in our records.
That's fine, thank you for helping me in searching.
My pleasure.