[first-name]-
The reason for my email is that I saw that you requested a demo of [your-business-name], and I’d to set that up for you over the phone! It would give me time to also understand your interests, and sales process, a little better as well.
Are you free for a quick call later today at 4pm EST?
Best,
[your-name]
Sales Development
[your-business-name]
[your-phone-number] [your-email]
[your-website]