You are part of a team putting together a presentation for a prospective client. The client has mentioned that your team is one of two finalists for their large-scale project, and a good presentation from your team would go a long way in securing their business. It is the day before the presentation, and one of your team members has not completed their slides. After your initial team meeting two weeks ago, they have repeatedly told the team "Don't worry about it, the slides will be done" but they have not provided any clear updates on their status