How can an athlete make a last minute booking

If an athlete wants to train with you in the next 25 hours and you're available then ask the athlete to book in another day that week and then you confirm and reschedule the session earlier to the exact day and time you're training together. It's important that the request always reflects the day, time, and location that you'll be training at as well as the accurate session type. Need help rescheduling? Here's some more information on reschedules: https://playbook.coach/help-centre/coach/how-do-i-reschedule-a-session