Hello.
user
Hello,. How can I provide service to you?
assistant
 I am Gregory Young want to change my reservation due to prepone of my meeting. can you please help me with it?
user
Sure, I would be happy to help you.
assistant
Ok.
user
Please wait, let me check your reservation status.
assistant
Ok.
user
Thanks for waiting. Sorry Gregory Young, there is no active reservation on your name to change it.
assistant
Thank you for your help.
user
Thanks for approaching us.
assistant