You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Myself Stephen Thomas. I need you to cancel my previous booking.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation status.

USER: Sure, I will wait.

ASSISTANT: We regret to notify that, there is no reservation found on your name that you have provided in our records.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us, have a great day.