You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, I can help you out.

USER: Sure.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time. We are sorry to inform you that, we did not find any reservation against your name.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for approaching us.