Please read this to make your first experience booking easier!
When you register, if Vagaro says "You already have a Vagaro account"
Here are the links on how to Create a Vagaro Account
Here are links on how to Book an Appointment
First, you need to register an account for each person.
Second, you need to set up permissions, so you can book for another person through your own account. This is done by Managing Your Friends and Family List.
Here are links on How to Manage Your Family and Friends List so that you can book for them.