Saving drafts of unfinished replies

There are four use cases for saving drafts of incomplete replies that would considerably improve our workflow.

• Reply is almost finished, then then the agent notices that one important piece of information is missing which can't be retrieved instantly.
• Reply is almost finished, but the agent is unsure if the information provided is correct and would like to ask a colleague.
• Preparing responses outside the regular business hours.
• Training of new agents, screening of their proposed replies.