Joomla Upgrade

Need a programmer to walk me through the process of upgrading a joomla site to the latest version. This project will be to guide me through an upgrade from 1.5.23 to the latest version available. Winning programmer must be available 9-5 eastern standard time using an online chat program. Programmer needs to have experience upgrading joomla sites and be patient as they walk me through the process. Should not take longer than a total of a few hours to walk me the process of a fully backed up upgrade of joomla.