Easily book unlimited appointment using best appointment scheduling software, Salonist.
Follow the steps :
1. Go to Calendar >> New Booking
2. Add Client
3. Select Service, they need to take
4. In case customer paying in advance before service, then select payment mode otherwise we can simply Save the appointment
After making an appointment, at the time of customer visit admin can change the status by clicking on same appointment and make it completed\
Also, here is the video tutorial for your reference