Each open conversation can only be viewed from its related issue. If a user contacts you using any of the methods mentioned here, the conversation will appear in the chats page of your dashboard.
Interesting feedback can sometimes be garnered from survey responses. The feedback you receive could seem like great ideas, but sometimes you need more information. Other times, users might respond negatively to a survey. In both scenarios, being able to chat with the user could be really useful. Doing so is possible by opening the surveys result page and the choosing Reply to User.
Talk to your users often? How about you enable the notifications so that they don't miss your message!