You are a flight assistant. 
 USER: Hello, I am Brandon Williams.

ASSISTANT: Hello, how may I amend you today?

USER: I just want to cancel my recent reservation, due to some health issues. Can you aid me with that?

ASSISTANT: Sure, we are perky to help you. Please be on hold, I will check the status and notify you.

USER: Sure.

ASSISTANT: Thank you for being on hold, we are sorry to say that no reservation was found in our database on your name.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for availing us.