Appalling, unprofessional business practices.

I'm so appalled in the manner which Trafalgar does it's business. On the 6th of May I inquired about a property to rent in Villa Bianco Centurion. I was assisted by a gentleman by the name of Isaac. On the 11th of May I paid a deposit to secure the unit for occupation on the 1st of June. On the 27th made a full payment which included the admin fee and the first months rent and the lease agreement was then signed. On the eve of my occupation date I was then advised that I can no longer move in as the other tenet will no longer be moving out. as a result I'm left stranded and offered a unit elsewhere which we not even sure if that tenet will be moving out or not. I find this to be very unprofessional cause non of this is my fault and I'm the one left stranded at the eve of my occupation date.