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