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How to automate customer support replies with an AI agent

I looked through 36 real cases about customer support replies and pulled out what people actually did, the prompts they used and the places it went sideways. No theory, no invented success stories.

What people actually do

• Draft replies and promo codes for L'Oréal support advisors · Agentforce (Salesforce) · Customer Support
  L'Oréal's consumer care advisors get Agentforce inside Service Cloud: it summarises each case, confirms what the consumer is asking, drafts the…
• Phone agents handle Anker's first-line support calls · Retell AI voice agents · Customer Support
  Retell's voice agents handle US and UK tier-1 post-sales support for Anker, including order tracking, warranty checks and troubleshooting, with an…
• A Texas licensing agent answers in English and Spanish, any hour · Agent Sheri (Agentforce) · Customer Support
  Texas DPS launched 'Sheri', an Agentforce agent on chat and voice that answers licence questions and guides people through renewals, ID replacement…
• A city's two agents cut IT help-desk costs by 66% · Ral-E and Alli (ServiceNow AI Specialist) · Customer Support
  The City of Raleigh, North Carolina, put 'Ral-E' (guides employees and routes tickets) and 'Alli' (resolves common IT requests end to end) into…
• An airline's chat agent answers 120,000 questions a day · Customer service agent (Bedrock AgentCore, Nova 2 Lite) · Customer Support
  AWS says Ryanair's agent, built on Bedrock AgentCore and Amazon Nova 2 Lite with a partner, handles 120,000 chats a day in seven languages, with an…
• Pull similar past complaints and fixes for quality handlers · Complaint Triage Assistant (Amazon Bedrock AgentCore) · Customer Support
  Octave built a Complaint Triage Assistant for regulated manufacturers: it reads complaint emails, photos and PDFs, finds similar past complaints and…
• Work helpdesk tickets · Claude Code · Customer Support
  As described in the source, claude Code shows up in a write-up about work helpdesk tickets. The linked post is the primary source for steps and…
• An energy firm's agent explains contracts to new customers · Agentforce (ENGIE) · Customer Support
  ENGIE's Agentforce agent handles 1,500+ conversations a day, autonomously resolving 71% of cases with 83% response accuracy. In Italy, a link in the…

Browse all 1081 cases to see the rest.

Prompts to start from

These are the reusable prompts from real cases. Swap in your own details, run it once on something low-stakes, and read what the agent did before you trust it.

For each new support case, summarise the conversation so far, confirm what the customer actually wants, and draft a reply in our brand voice for me to review. Before I close the case, check that the case category matches the conversation.

Answer incoming support calls for my electronics shop: look up order status, check warranty, walk the caller through basic troubleshooting, and brief a human with the details before transferring when you cannot fix it.

Tools that show up most

Custom agent (4), n8n (3), Claude Code (2), Agentforce (2), Agentforce (Salesforce) (1), Retell AI voice agents (1).

Guardrails

Start small: run it once on a low-stakes example, read what the agent did, and only then let it run on real work.

More mess: the AI agent fails page. Related: the prompt library.