You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Stephen Smith.

ASSISTANT: How can I assist you at this moment?

USER: My friend has invited me for a sudden party. I need to cancel my interview at New York. Please cancel my reservation.

ASSISTANT: Sure, I will help you with this. Please be on hold, I will check your reservation status and get back to you.

USER: Sure, take your time.

ASSISTANT: Stephen Smith, there is no active reservation found under your name in our database.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for approaching us.