Alert! It's important that the data in LUIS is up to date with the latest email address the members have. If it's been 6+ months since the last LUIS update, you may want to consider taking a month reach out to the membership to update the membership data. There are a number of ways to do this, including creating an "Update your information with your Local" form in Action Network. Here's a tutorial on doing that. It includes a flyer with boilerplate information that you can use to distribute to your membership after you fill in the details.