Conferences are an excellent training opportunity and should offer a great return on your investment. However, getting approval to attend can sometimes be a challenge. In most circumstances, the right approach can help you justify your time away from work, travel expenses, and all relevant conference fees.
You simply need to present valid reasoning and sound objectives for your management to understand the value proposition.
Let management know the nature of the education you will receive at the conference and how it will help you on the job. Identify the classes, workshops or courses you plan to attend and establish the connection to your own job responsibilities
Here are few ideas for structuring a request for approval to attend DRI2013:
A sample memo to your manager is provided here.