You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now for today?

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

ASSISTANT: Sure, I will help you with that. May I know your name please?

USER: Myself Emily Campbell.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for choosing us, have a nice day.