You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Myself Daniel Carter. I want to cancel my recent reservation due to some personal work, can you help me for this one?

ASSISTANT: I am here to help you with that Daniel Carter. I regret to say that Daniel Carter, there is no active reservation with your name to cancel your reservation.

USER: Not a big deal, anyway thank you very much.

ASSISTANT: You are welcome, thank you for reaching out here.