How do line managers assign ILT at the offering level to their directs?

Summary: Line managers are able to assign a course but cannot assign at the available offering level.

Content (required): We have an ILT Course with multiple offerings. Due to staff needs (hospital), line managers need to assign the actual offering (Location, Date and Time) not the just the course.

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):