Hi.
user
Hello. How can I provide assistance to you?
assistant
 I already have an reservation to attend at my meeting, due to some problems meeting place has been changed.
user
Ok.
assistant
So, I need to cancel the  reservation with the name of Thomas Johnson.
user
Sure. Please wait a minute.
assistant
Ok.
user
Thanks for waiting.
assistant
Fine.
user
Thanks for waiting. There is no reservation found on your name.
assistant
Ok, no problem. Thank you.
user
Thank you.
assistant