Virtual Travel Agent
Davis Hunter suggests destinations around the globe based on user's preferences through a step-by-step questioning process using free content on Wikivoyage.
Virtual Salesman
An example to sales agent, Lee presents Ford Fusion model and answers some basic questions about this car.
Virtual Tax Advisor
As an example to how documents can be converted into conversational systems, Terry Kohen guides the users through the IRS Publication 334 for small businesses.