Need Multi Booking Functionality for Appointment Booking Software for Joomla Extension

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
here is the program and how it works currently... I need this program modified such that it can do multi booking...

Here are the parameters I need:

. The longest booking advanced date can only go about 3 or 4 months into the future.

2. The bookings can only be for the alloted time slots in which an appointment is available.

3. While the bookings is being considered for a tutor - the system is put on time out or frozen for lets say 2 or 3 minutes for that particular tutor. If someone else tries to book them it will say please appointments are not available for this person at the current time please check back in five minutes to schedule your appointments with the tutor in question. As well, !!! you could even have a choice of selection per se "MULTIPLE BOOKING" that a person would check box that would send that particular freeze function into motion. if not - and the person only wants a single date. Then everything else could be left as normal. This way the system is taxed only on the possibility that the person needs a multiple booking.

4. so far that is all I can think of.

Skills required:
MySQL, PHP, Software Architecture
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