Hi.
Hello, how can I help you?
I need to change my existing reservation, Can you please help me with that?
Sure, I am here to help you. May I know your name?
Mary Martin here.
Please wait for a while, I will check the reservation on your name and get back to you.
Sure.
Thank you for waiting, There was no reservation found on your given name.
Ok, no problem. Thanks for your information.
Thank you for opting us.