Follow up to a first conversation

Re: [same subject]

Hi {name}, 

I really enjoyed our phone conversation [or meeting] earlier today and especially liked learning about your unique role at {company}. I understand the challenges you are facing with [challenges discussed] and the impact they are having on [insert personal impact]. 

As promised, I have attached [or linked to] the resources and materials that can help you better understand how we can help you solve [insert compelling reason to buy]. 

Please let me know if you have any questions. Otherwise, I look forward to talking with you again on [date and time].