Hi [first name],
Your interview on [other podcast] truly spoke to me, and I know would have a huge impact on my podcast audience.
In fact, [past guest] recently spoke about [topic], and your views on [topic] would be a fantastic complement to that talk and help my audience [outcome].
My podcast, [podcast name], focuses on helping [listener persona] with [outcomes].
For example, here are a few of our past guests.
What do you think?