create a video

i need a video creating with text captions in it. i need it to a be short video made up of footage that we will take here of a new product we have made. we want to load the video onto linkedin and facebook etc and also to load it onto our website., i dont know what i will need to give you, in order to build it so i am looking for someone with the skills to build it and also to coach me through so we can send you what you need. so with your quote i will need a list of what you will need from me and then we will go from there to decide on who to use, will also need to see a sample video of stuff you have created before.