You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

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

ASSISTANT: Sure, I am gleeful to help you with that. May I know your name for checking your previous reservation status?

USER: I am John Garcia.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. There is no reservation found on your name in our records to cancel.

USER: No problem, thanks for checking.

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