用 Amazon Bedrock AgentCore 与 Nova Sonic 构建语音旅行助手
原标题：Build a voice travel concierge with Amazon Bedrock AgentCore, Managed Knowledge Base and Nova Sonic
AI 摘要
AWS 官方博客介绍如何用 Amazon Bedrock AgentCore、托管知识库和 Nova Sonic 语音模型为航空公司应用构建语音旅行助手。方案通过 MCP 协议连接后端服务，用 Strands Agents 框架和 Nova 2.5 Sonic 实现实时语音对话，并借助 Cognito、Lambda、DynamoDB 等托管服务实现按需扩展。文章给出了完整的 CDK 部署架构和用户请求流程，属于面向开发者的技术教程。
正文节选
Build a voice travel concierge with Amazon Bedrock AgentCore, Managed Knowledge Base and Nova Sonic Airlines already have apps and websites where travelers check flights, pick seats, and manage bookings, and adding a natural voice layer opens those tasks to spoken requests. With this voice layer, a traveler can change a seat or check a delay by speaking, without leaving the app or navigating through screens. Building it requires careful engineering on several fronts. You stream audio in both dir