I believe that the last Caravelle in active pasenger service was with Gabon Express, but my limited investigation suggests that service is no more- the carrier may not be around, either. They used to advertise Caravelle flights to aviation enthusiasts on their website, but the website is gonesville.
See the archived website (with a great photo of the Caravelle) at:
I hope one of our colleagues from Africa may be able to fill us in.
I had the privilege of flying on a Caravelle (ex-Alitalia) in Ecuador, December 24, 1977, Guayaquil to Quito. Fine ride.
...three miles from BRONS, clear for the ILS one five approach...