You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: As, my manager didn't approved my leave, I want to cancel my reservation. Can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: This is Brandon Edwards.

ASSISTANT: We found a reservation on your name as for your request I have cancelled your reservation.

USER: Thanks for your quick response.

ASSISTANT: Thank you.