I know it's only in the BETA stage but I think when you end your chat with the operative, you should be given a poll or something so you can rate how good your help was. Also, when you've finished, you could possibly get a automated PM with your whole chat, just so you can go back and refer to it if need be.
Just a few simple suggestions really.
EDIT: Maybe it could be something like this:
Just a few simple suggestions really.
EDIT: Maybe it could be something like this:




