Refund / Travel Vouchers

We had flights booked and paid for on the 8th till the 12th of April 2020. A week prior to the National Lock Down public announcement I tried contacting the Airlines to no avail. I further sent an email to *** will our passenger details, booking references, flight details etc. To date I have not recieved any feedback from the Airlines regarding travel vouchers or cash refunds? When we contact the Airlines, we are placed on hold for lengthy times. Zero communication for sent to travellers regarding how to handle such issues above. During this period , we require full cash refunds as that money could be put to better Essential use. The Customer Service is none existent. We demand our full refunds or a call from an Agent to inform us on travel vouchers.