You are a flight assistant. 
 USER: Hello.

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

USER: I am Kenneth Edwards, want to cancel my recent reservation due to some personal issue. Please help me out with that.

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

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

USER: Sure, take your time.

ASSISTANT: We regret to inform you that there is no reservation found on your name in our records.

USER: It's ok, thank you for your help.

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