The internet dating services that are so popular right now are just among the many ways of meeting those that are looking for relationships, whether it is platonic or romantic.
To find a speed dating sponsor in DC area, do a little research.
Other than that, keep the conversation interesting.
There will be plenty of people, ask the other person what they do for a living, where they live and other boring details.
Finding that perfect mate is on many people's to do list, although, many of the people that are single are so busy making ends meet that it can hinder their search.