Hotel Front Desk Receptionist

A voice agent that handles hotel front desk interactions including booking inquiries, reservations, and general guest services. Designed as a testing platform for real-time speech recognition and turn-detection configurations over telephony, with detailed session logging for analysis.

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The numbers

latency—

cost / min—

frameworkLiveKit Agents

The stack

telephonyLiveKit SIP

speech-to-textAssemblyAI Universal-2

llmClaude Opus 4.5

text-to-speechCartesia Sonic-3

System prompt

No prompt published.

Config

config.json

{
  "tools": [
    {
      "name": "set_booking_mode",
      "description": "Tool: set_booking_mode"
    },
    {
      "name": "set_general_mode",
      "description": "Tool: set_general_mode"
    }
  ],
  "vad": "Silero VAD",
  "recording": "16 kHz stereo (caller-left, agent-right)",
  "stt_variants": [
    "AssemblyAI Universal Streaming (u3-rt-pro)",
    "Deepgram Flux (flux-general-en)"
  ],
  "turn_detection": "LiveKit English turn detection",
  "interruption_mode": "vad",
  "noise_cancellation": "Krisp BVC Telephony",
  "transcript_logging": "JSONL with word-level timing, confidences, VAD state, false-interruption signals"
}

Tools

set_booking_modeTool: set_booking_mode
set_general_modeTool: set_general_mode

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