Credit status update

Since I've sent a proof of payment for Truworth to Yogeshnee Naido on the 15 Jan 2015 I haven't receive any settlement letter since she promised to send it to me by the 2nd Feb. I tried calling the company and always getting the response that she is busy or out of office, I sent her plenty of emails without any response from her. I'm fed up now because I can't open any account while I settled my installments.