Hi.
user
Hello.
assistant
I am Ryan Anderson.
user
How can I help you for the day?
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, I am mirthful to help you with that changing reservation.
assistant
Thank you.
user
Please hold for a moment, let me check your previous reservation status.
assistant
Ok.
user
Thank you for waiting. Sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
No issue. Thank  you.
user
Thank you for reaching us, have a nice day.
assistant