You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: I would like to cancel my flight reservation as I am sick, can you please help me?

ASSISTANT: Sure, I am mirthful to help you with this cancel reservation.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Jerry Anderson.

ASSISTANT: Please wait for a while, let me check your previous reservation status.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry to say that, there is no reservation found on your name in our reservation list to cancel it.

USER: Sad to hear that. Anyway, thank you for checking.

ASSISTANT: Thank you for contacting us. have a great day.