<prompt> Translate the following text to SwahiliIn addition, some employees who now travel on free tickets obtained with frequent flyer miles might no longer be able to travel when funds for air travel were not available or were in short supply.  <response>: Kwa kuongezea, baadhi ya wafanyikazi ambao sasa husafiri kwa tiketi za bure zilizopatikana na maili za ndege za mara kwa mara wanaweza kuwa hawawezi kusafiri tena wakati fedha za kusafiri kwa ndege hazikuwepo au zilikuwa na upungufu. 