No response from Customer services regarding cancellations and refunds

No response from Safarinow.com regarding cancellation of booking during the national lockdown. I sent an email in April requesting a cancellation and refund, I sent a further 10 emails in total. I have phoned multiple times with no answer. My booking is made for the 12th of June 2020 the time is running for me to get my refund back which was paid in full. This company has got to have the worst customer service I have seen as of yet. Would not recommend.