Hello.
Hello, how can I help you today?
I would like to change my existing reservation, can you help me in that?
Sure, can I have your name please?
Sure, myself Brian Gonzalez.
Ok, please wait for a while.
Sure, I will wait for your response.
Thanks for waiting, there is no active reservation on your given name.
That's ok, no problem. Thank you for the information.
Thank you for opting us.