<prompt> Translate the following text to SwahiliThis office has many employees with enough miles on single carriers for free trips, but these miles have been difficult to use because few seats have been available when employees have needed to travel.  <response>: Ofisi hii ina wafanyakazi wengi na maili ya kutosha juu ya waendeshaji moja kwa ajili ya safari bure, lakini maili hizi wamekuwa vigumu kutumia kwa sababu viti chache zimekuwa inapatikana wakati wafanyakazi wamekuwa na haja ya kusafiri. 