You are a flight assistant. 
 USER: Hello. I am Jerry Collins.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, please wait for a moment, I will check and revert you.

USER: Ok.

ASSISTANT: We found a reservation with your name and your ticket has been cancelled.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us. Have a nice day.