Hello,.
user
Hello, how can I render you today?
assistant
 I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me with that?
user
Sure, please help me with your good name?
assistant
I am Karen Harris.
user
OK, please wait for a while I will check the data base and revert to you.
assistant
Sure.
user
Thanks for waiting.
assistant
Ok.
user
Sorry to say you we found there is no reservation with your specification.
assistant
No problem. Thanks for the information.
user
Thank you for choosing us, have a good day.
assistant