Marquee Real Estate Voice AI Agent

Designing a Voice AI Agent to Qualify Real Estate Leads & Book Appointments

Role: Senior Product Designer
Client: The Marquee Team (Real Estate)
Tools: Figma, Miro, Retell AI, Go High Level, Kixie, Axieon.ai, Notion

Problem Space

The Marquee Team, a high-performing real estate group, was overwhelmed by high lead volume and low follow-up efficiency. Despite a solid marketing funnel, they were losing qualified prospects due to slow response times, missed inbound calls, and inconsistent outbound outreach.

They needed a solution that could:

Respond instantly to inbound calls with relevant information

Initiate outbound calls to cold and warm leads

Qualify leads intelligently based on buying/selling criteria

Book appointments directly on agent calendars

Feel natural and human-like not robotic

My role was to design the end-to-end Voice AI experience, from system logic to conversational UX, ensuring a seamless and intuitive flow for both callers and internal users.

Discovery & Research

User Personas

Lead Agents: Busy, mobile-first, need high-quality appointments only

Lead Coordinators: Need visibility into lead quality and hand-offs

Prospects: Expect fast, friendly, and knowledgeable interactions

Constraints

Voice AI must sound human, not mechanical

Needs to handle unknown caller intents gracefully

Conversation flow must feel personalized, not script-driven

Output must sync to Go High Level with full transcript and disposition

Design Approach

1. Conversation Flow Mapping

I started with a whiteboard session in Miro to map possible user intents:

Inbound FAQ → Answer and offer appointment

Outbound follow-up → Qualify or disqualify

Dead-end inputs → Offer live transfer or callback

2. Script Logic + Branching

Using conditional logic, I built dynamic trees:

Buyer/Seller detection

Timeline identification (e.g., “just browsing” vs “ready in 30 days”)

Qualification tiers (A, B, C)

Example Flow

AI: “Hi, thanks for reaching out to The Marquee Team. Are you looking to buy or sell?”

→ [User says “buy”]

AI: “Great! Have you already spoken to a lender or are you just exploring options?”

3. Voice UX Design

I designed all AI prompts in a tone that matched the brand: warm, confident, and efficient — like their top-performing agent. Every response was written with:

Natural pauses

Soft confidence

Non-linear recovery phrases (e.g., “No worries, let me try that again…”)

4. Call Interface Output

Each call produced:

A full transcript

CRM tags (Qualified/Disqualified, Buyer/Seller, Timeline)

Appointment link or call disposition
I ensured every touchpoint was intuitive and required minimal training for the team.

Results (First 30 Days)

Avg. Lead Response Time: was 47 minutes and reduced to 3.6 seconds

Qualified Leads: increased from130 to 267

Booked Appointments: increased from 38 to 92

Missed Calls: reduced from 76% to 12%

Outcomes

Improved Lead Conversion: Higher quality conversations led to more appointments.

Freed up Agent Time: Reduced manual follow-up load by 30+ hours/week.

Consistent Brand Voice: Even at scale, every caller heard the same confident tone.

Scalable Foundation: The flow architecture I designed now supports multi-language and multi-listing logic.

Next Steps

Multilingual Expansion: We’re testing Spanish and French versions using the same conversational architecture.

Sentiment Tracking: Exploring real-time emotion detection to prioritize hot leads.

Voice Testing: Adding A/B testing to compare tone and script performance.

Conclusion

This project challenged me to bridge the world of product design and conversational AI. Designing for voice unlike web or app requires anticipating intent, errors, and expectations all in one breath. My goal was to create an experience that didn’t just "work" technically, but felt seamless, human, and brand-aligned.

Designing a machine to talk like a trusted team member? That’s the kind of design challenge I live for.

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