You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to the ongoing tornado at my destination. Can you help me in cancelling my reservation?

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

ASSISTANT: May I know your name to check the reservation to cancel it?

USER: I am Anthony Young.

ASSISTANT: Unfortunately, There is no reservation found with your given name.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Thank you for contacting us.