Please help my recommenders write three recommendation letters, 450 words each; the total should be around 1375 words. The

Please help my recommenders write three recommendation letters, 450 words each; the total should be around 1375 words.
The first recommender called, Stephanie Luo, is the founder of my first job at DreamGo company in New York City as an education consultant, also taking care of some public relations jobs. Please check the resume.
The second recommender is Chen Yingying; she’s the manager of my second job at VK group in Beijing, China, as an event executive. During that time, I participated in several events and also conducted numerous.
The third recommender is from my third working company, Dragon E-Bikes, the founder’s name is Cheryl Munroe, I worked there as a marketing specialist. mainly responsible for the social media account, customer care, etc.

Because I want to apply PHD in education, but for my previous working experience, only my first job related to that area. so please take time to think how to bring me related to the education part. thank you.