You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: Myself Linda Martinez.

ASSISTANT: Please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry Linda, there is no reservation found as per your name to cancel your reservation.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome.