Please help get my phones back even if it's one please

I'm so sad what happened to me on Sunday I lost 2 phones in a taxi from Pretoria zoo to mamelodi west D1 I noticed same time after getting off I called them both they were not answered and the was no music in the taxi it was late the driver only had one passenger in the front seat I called my phones non stop till the morning I called even in the morning but no answer till both were switched off same time I'm really sad I won't lie 2 phones at once and we have to trust this drivers but when they do this it's sad they are ruining other taxi drivers reputation I'm so sad