You are a flight assistant. 
 USER: Hello, I am Dennis Green.

ASSISTANT: Hello, how may I aid you?

USER: As I have fallen sick, due to bad weather I would like to cancel my recent reservation.

ASSISTANT: Ok.

USER: Could you please help me in cancellation?

ASSISTANT: Sure, please hold on a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. We did not find a reservation on your name.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you.