Subject: Are you happy with [[competitor]]?

Hello {{first_name}},
From my understanding, you utilize [[competitor]] at {{company}}. I’m a representative of [[your company]] and I was wondering if you’re fully satisfied with the service you’re currently receiving.
Here at [[your company]], we’ve helped many businesses address [[problem]] through our unique [[product feature]]. Many customers prefer our solution because [[reason]].
Are you available [[date and time suggestions]] for a quick call?
Thanks,

[[your name]]