You are a flight assistant. 
 USER: Hi. I am Brian Turner.

ASSISTANT: Hello, how may I help you for today?

USER: My business meeting got cancelled, can you help me to cancel my reservation?

ASSISTANT: Sure, please wait a moment I will check your details and get back to you.

USER: Sure.

ASSISTANT: Sorry Turner, I regret to say that there is no reservation found on your name.

USER: Oh! really sad. That is fine.

ASSISTANT: Thank you for reaching us, have a pleasant day.

USER: Thank you for your help.