Erotic Video Chat!!!

hey girls so my boyfirend is out of the country for few weeks and we made a little bet and what he wants is a erotic video chat.. im freaky and all in person but when it comes to virtual or phone sex atuuf i am so lost i have never done it i dont know how ... anyways help me lol like what should i do and stuff i dont want to be lame. and i dont even know how to make it be sexy you know i mean anyways any tricks? oh btw i dont finger myself so i dont even know whatvto do.