Terrible false promises and communication

This is a follow up on my previous complaint regarding Qantas Airways. This time around its the finance department. After numerous emails to the admin side regarding our refund we got to Chad he was of great assistance,however the communication to the finance department did not deliver any feedback and we still did not receive our refund. Emails were sent as follow. 21/02, 09/03, 13/03, 19/03 and the last email from Chad on 28/03 stated that the all information was given through to finance department and money will be paid. Take note that on 21/02 money was promised to be paid in within 1-2 weeks. Today we are nearing the end of month 4.....Still waiting. I would highly appreciate a speedy follow-up regarding this matter. Thank you