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Build a voice travel concierge with Amazon Bedrock AgentCore, Managed Knowledge Base and Nova Sonic

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This article demonstrates how to build a voice travel concierge for airline applications using managed AWS services, enabling travelers to manage bookings through natural voice commands.

  • Deploy voice AI concierge using Amazon Bedrock AgentCore runtime with Amazon Nova 2.5 Sonic for real-time speech processing
  • Connect agent to backend services via Model Context Protocol (MCP) through AgentCore Gateway without tight coupling
  • Answer airline policy questions using Amazon Bedrock Knowledge Bases with retrieval-augmented generation
  • Authenticate users with Amazon Cognito and secure WebSocket connections using SigV4 signatures
  • Handle seat changes, itinerary lookups, meal preferences, and escalations to live agents with confirmation workflows
  • Deploy entire solution with AWS CDK using DynamoDB, Lambda, API Gateway, and Amazon S3
  • Leverage asynchronous tool calling and latency masking for natural, responsive conversations

The layered architecture separates frontend, AI agent, and backend services for independent scaling and development, with pay-per-use pricing and automatic scaling for traffic spikes.



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