Hi.
user
Hello. How can I assist you now?
assistant
I want to change my reservation, can you help me?
user
Sure, I will help you with that. May I know your name please?
assistant
Myself Gary Miller.
user
Sorry for the inconvenience, there is no reservation found on your name.
assistant
No problem, thanks for checking.
user
Thank you for approaching us, have a nice day.
assistant