Deposit refund

In an attempt to resolve what should be a rudimentary task, I've had a negative experience with staff, frustratingly slow service, and a customer service department that isn’t fit for purpose, After a week of too-ing and fro-ing, my expectations as a customer remain unmet. All I want is a refund on my deposit, which clearly the company steadfastly holds on to for as long as possible to improve their cashflow. This is the worst customer experience encountered from a car rental company. There will be no repeat business from me. It's unfortunate that our comments are hidden from the public as this would help them make informed decisions about where to spend their money. Thanks for absolutely nothing!