No refund received - no answer from Hyperli

I requested a refund for a voucher purchased. The voucher was purchased on 6 March 2020 and the refund was requested on 17 March 2020 which is within the 7 working day refund frame. The refund was requested due to the COVID-19 outbreak with ticket NRF***. Since then I have not received any feedback. My emails are constantly ignored. With the worldwide crisis, it is not safe to visit any place. This is poor customer service. Please look into this asap