Hello.
user
Hello, how can I help you?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, I am here to help you. May I know your good name?
assistant
I am Katherine Brown.
user
Ok, please wait for a moment.
assistant
Sure.
user
Thank you for your time, No reservation was found on your given name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for choosing us.
assistant