You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Sure, I am glad to solve your concern in cancelling. Please provide me your name to check whether any active reservation on found on your name or not.

USER: I am Dennis Edwards.

ASSISTANT: Dennis Edwards, please allow me a moment to check the reservation on your name. If I find any active reservation I can help you out in cancelling.

USER: Sure.

ASSISTANT: Sorry Dennis Edwards, I got a result by fetching your name in reservation changing panel that is " No reservation Found for this user". Its means that the reservation is in inactive mood.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.