You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Edward Lee.

ASSISTANT: How may I assist you Lee?

USER: I want to cancel my recent reservation, due to some health issue. Can you please cancel my ticket?

ASSISTANT: Sure, I will help you.

USER: Thank you.

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

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you that, there is no reservation found with your name in our records.

USER: That's fine. Thank you fro your help.

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