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A/B Test Reduces Customer Service Ghosting and Saves $2.7M+ in 8 Months

SERVICE
Data Solutions & Analytics
INDUSTRY
Financial Services
KEYWORDS
Databricks
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Overview

A Fortune 100 financial software company provides customers with access to expert assistance through a live chat experience. While the service delivers high-value support, it is also operationally expensive and impacted by customer response delays.

Analysis of chat behavior revealed:

  • ~10% of sessions included customer response times exceeding 12 minutes after an expert message
  • ~17% of chats resulted in customers abandoning the conversation while waiting 10+ minutes for a response
  • Experts were limited to handling one chat at a time, meaning prolonged idle sessions directly increased operational cost

Reducing average chat duration became a key focus area to improve efficiency and reduce cost while maintaining service quality.

Concord designed and implemented an A/B-tested behavioral automation to reduce inactivity during live chat sessions.

The solution introduced an expert-facing prompt within the chat interface. After 3 minutes of customer inactivity, experts were shown a suggested message that they could either:

  • Send directly, or
  • Edit before sending

This encouraged faster customer re-engagement while preserving expert control over messaging.

The intervention was deployed within the company’s internal chat orchestration platform.

Databricks supported the underlying data and experimentation environment used to measure and validate A/B test outcomes at scale.

Results

The A/B test delivered significant improvements in both customer engagement and operational efficiency:

  • Reduced average chat length by >1.3 minutes per chat
  • Decreased customer ghosting behavior by 38%
  • Generated $2.7M+ in cost savings over 8 months

By introducing a simple behavioral automation and validating it through structured experimentation, the organization was able to reduce idle time in expert-led chats, improve responsiveness, and significantly lower operational costs.

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