Locked down ticket written off

Jbn 4Z010101/ET/RT/T3 Given OR Tambo 8/3/22 My ticket l purchased at checkers , for the flight on the 28th of Jan. I could not fly out due to lockdown. When l went to the Airport on the 8th of March to schedule my flight l was informed it was issued for the 8th of February by Ms.Grootboom. I never received an sms or any notification. Second letter she informed me Mrs.Ncube utilised my bookings. I wanted to schedule my flight for the 18th of March and she said she cannot help me.