Hello.
user
Hello, how may I assist you?
assistant
I am James Williams. I had planned to go on a vacation, but it was cancelled.Can you cancel my  recent reservation?
user
Nice to meet you James Williams. Sure, just hold on.
assistant
Sure.
user
Sorry Williams, there is no reservation found with your name in our database.
assistant
That's fine. Thank you for taking time to speak with me.
user
You are welcome.
assistant