Hello, I am Thomas Jackson.
user
Hello, how can I aid you?
assistant
I would like to cancel my recent reservation, due to sudden changes in the dates of summit which was going to be held in that place. Can you please help me?
user
Ok, please wait.
assistant
Sure.
user
 Sorry, no reservation was found on your name.
assistant
Ok, not an issue. Thank you.
user
 Thank you.
assistant