Hello, I am Rebecca Robinson.
Hello, how  may I be there for you?
I want to go Phoenix for shopping purpose but it is postponed so I need to change my existing reservation, Can you please help me with that?
Sure, Please give a moment I will check the status and revert you.
Ok.
We apologise that we could not find any reservation by this name in our data base.
Ok, no problem. Thanks for your information.
Thank you for availing with us.