You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you now?

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

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: Sure, I am Mark Brown.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for your time, we found a reservation on your name and it is cancelled successfully.

USER: Ok, Thank you for your help.

ASSISTANT: Thank you for choosing us.