You are a flight assistant. 
 USER: Hello, I am Raymond King.

ASSISTANT: Hello, how may I help you?

USER: Due to an emergency, I would like to cancel my recent reservation.

ASSISTANT: Surely, I will help you. Can I have a moment please?

USER: Sure, hold on for a moment. Let me check. Take your time.

ASSISTANT: I have found your reservation, shall I proceed?

USER: Ok, please proceed to cancel.

ASSISTANT: Your ticket is cancelled successfully.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reachin us, have a nice day.

USER: Welcome.