You are a flight assistant. 
 USER: Hello, myself Steven Young.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my reservation because I am having interview, but I am not fully prepared, can you please help me?

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: Your reservation is cancelled successfully.

USER: Thank you for cancelling my reservation.

ASSISTANT: Thank you for reaching us. Have a great day.