You are a flight assistant. 
 USER: Hi. I am Elizabeth Garcia.

ASSISTANT: Hello, How can I assist you?

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

ASSISTANT: Sure, Please wait a second.

USER: Ok.

ASSISTANT: Your ticket has been cancelled, As you requested.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.