You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Owing for an emergency, I want to cancel my flight reservation. Can you please help me?

ASSISTANT: Sure, wait for a moment please? May I know your name please.

USER: Sure, my name is Edward Nelson.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you.