You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: Ok, please provide your name to check your reservation status.

USER: Sure, my name is Nicholas Evans.

ASSISTANT: There is no reservation found under your name to cancel it.

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

ASSISTANT: Thanks for choosing us.