Hello. My name is George Allen.
user
Hello, how may I help you?
assistant
I have a change in the plan so I would like to change my existing reservation. Can you help me?
user
Ok, please give me a moment, I will check in my database.
assistant
Ok.
user
Sorry Allen, there is no reservation showing on this name.
assistant
Ok, that's fine. Thank you for your information.
user
Thank you for your service.
assistant