You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Scott Evans.

ASSISTANT: How may I help you? Nice to meet you Scott.

USER: I recently reserved a ticket to give a visit to my best friend. But, before my journey he came to my home and gave me a surprise visit. So now I want that ticket to be cancelled. Can you please help me in that?

ASSISTANT: Sure, I will help you in flight ticket cancellation. Please wait.

USER: Sure.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it. Thank you.

USER: That's ok, not a problem. Thanks for your information.