You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist  you today?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: Sure, I am Joseph Phillips.

ASSISTANT: Please, wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry, as per your concern I can not amend your reservation, as your reservation is not found as per our records.

USER: It's ok, thanks for checking.