Assigning variable on different timeline

I’m using Flash CS4 Professional. I’m new to Flash, taking an on-line college class, and we 've gotten to ActionScript. The entire second page of ‘web site’ is a movieclip. The mc includes 2 input text boxes and a button. Clicking the button is supposed to take the movie to page 3, a frame on the main timeline. Finally got that to work with ‘with (_root) gotoAndPlay (“frame label”)’. Page 3 contains 2 dynamic text boxes and I’ve tried several versions of _root and _parent dot syntax paths and tried ‘with (_root)’ but I cannot get values from the input boxes in the movieclip to show up in the dynamic boxes on the main timeline.

Any help or suggestions would be greatly appreciated.

Thanks.