Your deposit payment secures your appointment request when you pay at the time of making your booking.
Remember to send a text /mms with your payment receipt or screen shot of payment and your name - especially if different from the name you have used on your booking to 0439488558 as soon as possible. Replies are sent as time permits between clients.
Can't pay online? See the "Other payment methods" page. The "Terms of service" page gives other options, and explains why a deposit if necessary.