Hi.
Hello.
I am Carol Johnson.
How may I assist you now?
 I am a fashion designer and would like to exhibit my designer clothes at Denver, unfortunately my schedule has been changed to another week.
Ok.
Would you please assist me in changing my existing reservation?
Sure, I will assist you. Please, wait a minute.
Sure.
Thank you for waiting, I am sorry to inform you that, there is no reservation found on your name.
Ok, not an issue. Thank you.
Thank you for approaching us.