You'll need this script.
Booking a remote help appointment.
Please place your date and time of your appointment, please give 2 alternatives. Prices: 0-1hr $35.00, 1-2hrs $60.00, 2-3hrs $90.00, 3-4hrs $120.00
Preferred Date/Time use format 10/01/2008:10.30am
1st Alternative
2nd Alternative
Estimated Time: 0-1 Hour 1-2 Hours 2-3 Hours 3-4 Hours