Hi.
Hello.
I am Ryan Anderson.
How can I help you for the day?
 I just want to change an existing reservation as my meeting got post pone due to some technical issues. Can you help me?
Sure, I am mirthful to help you with that changing reservation.
Thank you.
Please hold for a moment, let me check your previous reservation status.
Ok.
Thank you for waiting. Sorry to say that, there is no active reservation found with your name in our database to change it.
No issue. Thank  you.
Thank you for reaching us, have a nice day.