You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. By what way, can I help you out?

USER: My name is Daniel Johnson, I want to cancel my recent reservation due to heavy rainfall.

ASSISTANT: Sure, I would be happy to help you in cancellation. Please wait, I will check the list and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting with patience. Sorry to inform you that, there is no active reservation found on your name to cancel it.

USER: Not an issue, thank you for your quick response.

ASSISTANT: Thanks for choosing us.