Hello.
user
Hello, how may I assist you?
assistant
I want to change my existing reservation. Can you please help me with this?
user
Sure, we are here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
Paul Phillips.
user
Sorry to inform you that there is no active reservation on your given name.
assistant
Ok, no problem. Thank you for he information.
user
Thank you for contacting us.
assistant