Power BI and data

We are a scuba diving tour operator based in Denmark . Our clients are primarily from Denmark and then Sweden and then Norway and Finland . Our destinations are global and generally in warm areas such as the Maldives and the Red Sea etc.. most trips are taken on a vessel where you sleep over night usually 7-10 nights called a Liveabaord . Some trips are what we called land based so you stay in a resort and dive each day from a smaller vessel or shot but sleep in the resort . I need a power BI specialist to create excel sheets or similar for our day entry person to fill in . So a template system . Then the data entry person will fill in the details which we then need to be fed into power Bi to make decisions on which destinations divers have been using over the last 3-5 years and predict where they will be going . We also need prices indicated to formulate a sales strategy. Importantly we will need to understand the process and how to use power Bi once this job is complete