The expression you use, "Here is the url for tomorrow's session." appears to be fine as it truly is, but you could relate your e-mail on your former dialogue of your Conference: "Here's the url on the Conference for being held at 10:30 AM tomorrow, that we talked about yesterday: https://567tv-latest-version98642.blogunteer.com/35593380/getting-my-567tv-entertainment-community-to-work