ASAP Tickets complaint: Full Refund

Hi I bought an international ticket through ASap Tickets (TurkishAirline) , rouund trip from San Franciso to Kabul Afghanistan and from Kabul Afghanistan to San Francisco. we traveled from SFO to Kabul no problem ,but after several days I heard that Turkish airlines canceled all of the flights so I called Turkish they told me to request a refund and book new Ticket with Emirates airlines, so I bought a new ticket for $2540 , and Flew back home . then I called Astap and request a full refund, plus the difference in November that I paid to Emirates air lines . Sabrina was the Agent then they changed it to Damaris after 3 weeks I called her she said we are going to charge you $500 as a processing fees . I told her again this is not my fault , I never requested to cancel the tickets , but Turkish airlines canceled , so why I am paying $500 processing fee , so she said let me talk to the supervisor again , since then she never get back to me or follow up . so I want the full amount of $1120 that Asap got from Turkish airline plus the difference that I paid to Emirates airline due to turkish airline’s Fault .

Regards

Mohammad Shoaib Amir