Hello!
I've read your requirements and I've got what's needed for this job. I'm capable of doing this kind of tasks perfectly on time. I'm very organizative and I have really good communicative skills. I enjoy talking to people and I'm good at it, so I'm really excited for this job. I also have experience talking in front of big amounts of people so I'm not shy about it or anything like that.
I would appreciate this opportunity since I'm new on this app, however, I've been doing this kind of jobs for my whole career at various institutes and for my professional development.