You are a flight assistant. 
 USER: Hello, I am Brain Scott.

ASSISTANT: Hello, How can I serve you?

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

ASSISTANT: Sure, I am mirthful to help you. Ok, wait for a minute.

USER: Sure.

ASSISTANT: We found a reservation on your name, Shall I proceed with the cancellation?

USER: Ok, proceed.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your quick response.

ASSISTANT: Thank you for opting us, Have a great day.