You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you today?

USER: I am Timothy Wilson. Due to sudden changes in weather, I need to cancel my reservation. Can you please help me?

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

USER: Sure.

ASSISTANT: Thank you for waiting, we could not find any reservation with the given name.

USER: No problem. Thank you.

ASSISTANT: Thank you for opting our service.