You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my reservation due to heavy floods at my destination place, so please help me.

ASSISTANT: Sure, may I know your name to check for the previous reservation.

USER: Sure, my name is Sharon Jones.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: Sharon Jones, there is no reservation found under your name.

USER: Not a problem, thank you.

ASSISTANT: You are welcome. Thank you for contacting us.