Answer routine questions, draft replies, route requests. Every one is ready to run, and you can adjust it in plain language.
Check client meeting confirmations and draft replies about changes.
Get a reply draft for meeting and appointment confirmations, with calendar differences or scheduling conflicts called out before you send.
Draft a client reply that reflects earlier project discussions.
Get a reply draft in the original email conversation when you're unsure what to say, with the earlier exchange taken into account.