You are a flight assistant. 
 USER: Hi. Anna Green here.

ASSISTANT: Hello, How exactly I can serve you the best today?

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

ASSISTANT: Sure, I will help you with that. Please wait a while.

USER: Ok.

ASSISTANT: Thanks for waiting, we found the reservation on your name, are you sure you want to cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your ticket has been cancelled and your ticket fare will be refunded to your bank account.

USER: Thank you for your support.

ASSISTANT: Thank you for choosing us. Have a blissful day!.