[Plugin: CubePM] delet function of messages

hi,

i appreciate your work , i am using this plugin for one of my client now problem is that user are not able to delete their messages, how can implement that if you can so me logic how i can achieve that i will code that in my plugin, for now i have created a dropdown where admin can define after how many days it will clear messages so i am deleting by checking that messages those are older than hours admin defined in admin and i am deleting them from one table i.e. wp_cpm_msg i have tried but unable to get how i can delete old messages from both tables , any help will be much appreciate, keep up the good work

Thanks a lot for your precious plugin.

http://wordpress.org/extend/plugins/cubepm/