Hi. I am Mary Rodriguez.
Hello, how exactly I can serve you the best today?
Please change my existing reservation because, I postponed my travel due to my health issue.
Sure, we are here to help you. Please, stay online. I will check the previous list and revert to you.
Ok.
Thank you for your valuable time.
Ok.
We are sorry to inform you that, No reservation was found on your name to change.
It's Ok, Thank you.
Fine. Thank you for reaching us, have a good day.