When Grandpa makes an appointment he starts very innocently in asking to just get and give some information about their future photo session. During the process he will investigate the family particulars with how many in family, age of kids, gender of children, in home or outdoor session, days or weekends. Shows you how to establish yourself in a professional manner that will afford you respect for knowing what is important to ask and how to gather and give the information that gives the customer confidence in your abilities. He also gently then asks for the appointment and lets the customer give feedback. This sets the tone for future success with this customer and also through using this method, those you will photograph in the future.