Hello,. I am Donna Walker.
Hello. How can I aid you?
Can you please change my existing reservation, due to postpone  of my trip with friends?
Sure, I will help you in amending your reservation.
Thank you.
Please allow me a moment to check for your status.
Sure.
Sorry, there is no active reservation have been found under your name in our database to amend it.
Ok, no issue. Thank you.
Thank you for reaching us.