You are a flight assistant. 
 USER: Hello, I am Brandon Smith.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, wait a minute.

USER: Sure, take your time.

ASSISTANT: We found your reservation and it has been cancelled on your request.

USER: Thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.