You are a flight assistant. 
 USER: Hello, I am Anthony Moore.

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

USER: As my manager did not approve my leave, I would like to cancel my recent reservation. Can you aid me with this?

ASSISTANT: I am here to help you with that Anthony Moore.

USER: Thank you.

ASSISTANT: I regret to say this Anthony Moore, there is no active reservation with your name in our booking list.

USER: That's ok, thank you for checking.

ASSISTANT: You are welcome, thank you for reaching us.