Booking Calendar, Paypal and Web Conference Integration

Hi, I am reposting this project with different criteria due to a couple of issues. Firstly, due to the fact that the chosen developer misread my very first sentence in the original post, thus meaning he was not able to do the job and secondly due to a problem with a 3rd party API and lack of response on the problem. Therefore, I would like to start again with a clear set of requirements for a very nice and interesting piece of work. I already have an existing WORDPRESS installation (not live) on a php hosting facility and it would be good to continue in this vein, if possible. I am after the following functionality which is either a plugin which can be used with shortcodes or a nice functioning php page which can be easily integrated into my existing (and very simple) wordpress setup. Requirements: 1. A booking calendar which can allow customers to choose a selection of hours per day to be able to book a time slot. (They should be able to book individual or multiple slots, e.g. Individual slot would be 8:30-9:00pm. Multiple could be 8.30-9.00 and 9.00-9.30, on the same day or a different day) 2. This should be integrated with paypal with a final balance of one total payment. 3. I am working with a 3rd party company (may change, but the theory is still the same) which will be a web conferencing company and I will want to either send the booking time details to them to setup the conference time on their systems (API) or have my own webVC system which 'books' the timeslots required by the customer. 4. There must be the ability to sell a number of these slots per day, e.g. only 1 slot at 8.30-9.00pm or I may wish to sell 5 slots. (It will usually be 1, but..). Once the slot is taken it must appear as sold out (once payment is taken). 5. All of the above should be held in either my wordpress or another mysql database. These are pretty much the requirements... simply a booking calendar which customers can book, pay and the effectively buy a training session/web event. At the end purchased timeslot, a webVC will be initiated and a web based remote training session will take place. In addition to the above, there may be the requirement to setup a course of sessions, e.g. I may wish to create a course over a 4 week period where my custome can book the full course in advance (for cheaper than 4 individual lessons). I would want the ability to be able to set the times within this full course to suit the needs of the customer. There are a number of existing (and very good) plugins which achieve the above with the exception of point 3, i.e. the ability to book the actual web conference which is to be hosted via a 3rd party. For an idea of some companies, please check the following: [login to view URL] ([login to view URL]) [login to view URL] [login to view URL] [login to view URL] I appreciate this is a very long explanation, but due to previous issues, I want to get the requirements clear. Any questions or comments, please feel free to ask. Imtiaz