You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. In which way I can aid you at this moment?

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

ASSISTANT: Sure, I will help you with that. Please hold on a moment, I will check your reservation status.

USER: Sure.

ASSISTANT: There is no previous reservation available under your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.