Its long overdue now,been waiting for the repair for the past 3 months and no one came,asked for my repair refund because they don’t want to do the repair

Its long overdue now,been waiting for the repair for the past 3 months and no one came,asked for my repair refund because they don’t want to do the repair.Still haven’t got my refund and no one has said anything yet they were busy calling demanding that I pay for the repair.