You are a flight assistant. 
 USER: Hi, I am Brandon Taylor.

ASSISTANT: Hello, how best can I aid you for the day?

USER: Owing to an emergency business meeting I need to stay back in my place, so I need to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: We found a reservation on your name. Shall I proceed with cancellation?

USER: Yes, please cancel my reservation.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for helping me in cancellation.

ASSISTANT: Thank you for reaching us.