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title Step 3: Multi-Turn Conversations
description Maintain context across multiple exchanges with AgentSession.
zone_pivot_groups programming-languages
author eavanvalkenburg
ms.topic tutorial
ms.author edvan
ms.date 02/09/2026
ms.service agent-framework

Step 3: Multi-Turn Conversations

Use a session to maintain conversation context so the agent remembers what was said earlier.

:::zone pivot="programming-language-csharp"

Use AgentSession to maintain context across multiple calls:

using System;
using Azure.AI.Projects;
using Azure.Identity;
using Microsoft.Agents.AI;

var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT")
    ?? throw new InvalidOperationException("Set AZURE_OPENAI_ENDPOINT");
var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";

AIAgent agent = new AIProjectClient(new Uri(endpoint), new DefaultAzureCredential())
    .AsAIAgent(
        model: deploymentName,
        instructions: "You are a friendly assistant. Keep your answers brief.",
        name: "ConversationAgent");

// Create a session to maintain conversation history
AgentSession session = await agent.CreateSessionAsync();

// First turn
Console.WriteLine(await agent.RunAsync("My name is Alice and I love hiking.", session));

// Second turn — the agent remembers the user's name and hobby
Console.WriteLine(await agent.RunAsync("What do you remember about me?", session));

Warning

DefaultAzureCredential is convenient for development but requires careful consideration in production. In production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid latency issues, unintended credential probing, and potential security risks from fallback mechanisms.

Tip

See here for a full runnable sample application.

:::zone-end

:::zone pivot="programming-language-python"

Use AgentSession to maintain context across multiple calls:

:::code language="python" source="~/../agent-framework-code/python/samples/01-get-started/03_multi_turn.py" id="create_agent":::

:::code language="python" source="~/../agent-framework-code/python/samples/01-get-started/03_multi_turn.py" id="multi_turn" highlight="2,5,9":::

Tip

See the full sample for the complete runnable file.

:::zone-end

Next steps

[!div class="nextstepaction"] Step 4: Memory & Persistence

Go deeper: