Gnonymouse wrote:
Try to reciprocate. If people say "hi, how are you?" say "good, how are you". If people try to chat with you chat back for a bit. If people smile, smile back.
This.
Keep it relatively short.
If people start fiddling with their hair/watch/files, look away, or stop talking, wind down the convesation.
Try to keep social conversations acceptably short-- probably 15 minutes or less.
Nothing too personal (health problems, whatever). Nothing about money or touchy subjects. Nothing too vulgar. Nothing too weird. No gossip.