When looking for slots, applicants should consider any forthcoming travel schedules or due dates associated with their visa application. It is possible to reduce stress and make sure that all required arummy upctions are completed well in advance of any important dates by planning ahead and being mindful of possible delays. How to Use the Visa Application Process. In the end, applicants who are well-informed & ready will be able to handle the frequently challenging world of visa applications and slot availability. Successfully completing the visa application process requires an understanding of visa slots.