After you've found a time slot that works for you, you usually need to use the website to confirm your reservation. Giving extra information during this process, like your passport number, application reference nubest uk slots onlinember, & occasionally even payment information if there are any fees involved, is common. To prevent any possible problems later, it is essential to verify all entered information one last time before completing your reservation. Following the successful reservation of your time slot, you will receive an email confirmation with crucial information about your appointment, such as the date, time, and venue of your interview.