Hello,.
user
Hello, how may I assist you?
assistant
 I want to cancel my recent reservation due to heavy snow fall from couple of days. Can you help me with cancellation?
user
Sure, may I know your name?
assistant
William Carter, is my name.
user
Sorry, there is no reservation found on your name in our database.
assistant
Ok, thanks for informing me.
user
Thank you for reaching us.
assistant