Hi, I am Gregory Clark.
user
Hello, how can I assist you today?
assistant
 Can you cancel my flight ticket reservation? As my football match is being postponed due to bad weather in New York.
user
Sure Clark, I will help you.
assistant
Thank you.
user
Please wait for a while.
assistant
Ok.
user
Sorry, no reservation found on  your name in our reservation list.
assistant
Ok, no issues. Thanks for the help.
user
Thank you for approaching us, have a nice day.
assistant