You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Can you please cancel my existing reservation as my plan to attend a business meeting got cancelled?

ASSISTANT: Sure, I will help you in cancelling the ticket. May I know your name please?

USER: I am Daniel Baker.

ASSISTANT: Sorry, there are no reservations found.

USER: Ok, not an issue. Thank you for your response.

ASSISTANT: Thank you for reaching us.