You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, could you please share your name to proceed?

USER: My name is Donna Nelson.

ASSISTANT: Ok, please hold a moment, let me check your reservation with us and let you know.

USER: Sure.

ASSISTANT: Thanks for your time, sorry, unfortunately no reservation found with provided name.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for approaching us, have a great day ahead.