While it's good to have at least one skeptic on your staff to keep everyone else honest, a constantly gloomy employee can cast a shadow over an entire department. This is definitely a problem but one that needs to be handled without too much fuss. After all, the more drama surrounding the dialogue, the more opportunities for the employee to spin out their negativity. Keep the conversation short and sweet. Humor can help lighten the tone. However, make sure you get your message across.
This script can be modified to: