You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Alexander Brown. I want to cancel my recent reservation due to heavy rain fall. Can you help me in cancellation?

ASSISTANT: Sure, please give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found with your name.

USER: Ok, No problem. Thanks for the information.

ASSISTANT: Have a nice day.