You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you at this moment?

USER: I am Nancy Williams. Can you please cancel my reservation, due to cancel of my trip?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Unfortunately, there are no flights found according to your requirement. Sorry, there is no activate reservation found on your name in our database.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.