Not refunding Tickets due to Covid 19

I am so disappointed and shocked by the bad/ non existing client service .

Our family of 4 booked tickets : 1. With KLM from Johannesburg to the Netherland. 11 March 2020 2. Air France from Amsterdam to Paris 17 March 2020 and then back to Johannesburg. 21 March 2020

Due to Covid 19 very strict measures was put in place by France , and they did not allow any more people into France. Therefore we had to cancel our flights from Amsterdam to France. Our trip was cut short and 10 days ended being 4. I have app**** on their website for the refunds as I was advise to do so. The first e mail I send was on the 18th March 2020. Their reply was : 'Dear customer, Our sales and service centre is currently experiencing an unexpected amount of calls and emails due to exceptional circumstances (COVID-19 Coronavirus). Waiting times may be longer than usual. We apologize for the inconvenience. With kind regards, Air France KLM '

I have send a mail every week to follow up, every time I receive the same autogenerated e-mail. its been almost a month later and still no feedback from them.

The circumstances was out of our control and entitled to answers and refunds as per their website.