You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I aid you today?

USER: I am Jonathan Adams.

ASSISTANT: Ok.

USER: Please help me to cancel my reservation.

ASSISTANT: Sure, I will help you. Please wait a moment, I will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we are sorry to inform you that no reservation is done earlier on your name to proceed further.

USER: Ok, no problem. Thank you.

ASSISTANT: Ok, Thank you.