You can find the commands and their explanations here:

/help ⇒ shows some help about using ezTalk bot

/credits ⇒ shows the amount of your credits

/endtalk ⇒ will end a conversation and temporarily blocks the peer

/field ⇒ can show or changes your preferred field**

/online ⇒ change associate status online*

/offline ⇒ change associate status offline*

/email ⇒ check your registered email address

/restore ⇒ restores a conversation with your last associate

/topic ⇒ provide a random topic for discussions

* Only available for ezTalk associates.

** Only available for ezTalk users.