Hi.
user
Hello, how can I help you today?
assistant
 I just want to change an existing reservation as my meeting got post pone due to some technical issues. Can you help me?
user
Sure, may I know your good name?
assistant
Stephanie Carter.
user
Please wait for a moment.
assistant
Ok.
user
Sorry to say that, no reservation was found with your good name.
assistant
No issue, Thank you for the information.
user
Thank you for reaching us.
assistant