Payment debites off my Nedbank account,yet not reflecting

<p>On Friday,I made an booking online at Kulula and paid for my flights with my Nedbank debit card.</p> <p> </p> <p>The amount of R3164.12 was debited from my Nedbank account,yet it is not reflecting on my bank statement.</p> <p> </p> <p>Kulula says authorisation failed and therefore they cant issue my flights.</p> <p> </p> <p>I need the proof tht the amount was debited from my account to Kulula or it to reflect on my bank statement.</p> <p> </p> <p>Otherwise the amount needs to be reversed.</p> <p> </p> <p>Please assist urgently.Already called the Nedbank call centre who advised me that the amount woud reflect by Monday(today).Not reflecting</p>