Reducing Customer Service Response Time by 60% with a Custom AI Chatbot

LLM chatbot development case study

Client: Global E-Commerce Platform
Industry: Retail & E-commerce
Services Delivered: AI Chatbot Development, LLM Fine-Tuning, CRM Integration
Timeline: 60 Days
Objective: Improve customer support experience and reduce operational load on human agents.

The Challenge

The client, a global retail platform with tens of thousands of daily orders, faced a crisis in customer support. With over 50,000 support tickets per month and peak-hour overloads, the support team was overwhelmed.

Key issues included:

  • Delayed responses (avg. 4+ hours) for basic queries
  • High agent attrition due to burnout
  • Poor customer satisfaction scores (CSAT < 3.5/5)

The goal was to automate the first line of defense while preserving a human-like tone and response accuracy.

Dextralabs’ Solution: Custom RAG-Powered LLM Chatbot

Rather than using a generic third-party chatbot, at Dextralabs, we engineered a custom AI chatbot tailored to the client’s workflows, tone, and knowledge base.

Key Features:

  • RAG (Retrieval-Augmented Generation) architecture to fetch real-time answers from live databases, knowledge bases, and ticket histories
  • Multilingual capabilities (trained on customer datasets from 7 countries)
  • Sentiment analysis engine to escalate negative or complex cases to live agents instantly
  • Live learning loop, improving the bot’s accuracy using feedback from conversations

We integrated the bot directly into:

  • Website live chat
  • Mobile app help center
  • CRM backend (Zendesk + Freshdesk APIs)

Impact & Results

In just 60 days:

  • 60% reduction in response time (from 4 hrs to under 1.5 mins)
  • 28% increase in CSAT scores
  • 40% cost savings via agent workload reduction
  • Over 20,000 tickets/month successfully resolved without human involvement

“This wasn’t just another chatbot. It was like deploying a trained team of support agents that worked 24/7 without missing a beat.”
VP of Customer Experience, E-Commerce Client

Final Note: Why Dextralabs?

This case study goes beyond a success story — it’s a testament to how Dextralabs delivers real-world AI solutions that drive measurable impact. From building custom LLM-powered chatbots to integrating RAG and multilingual capabilities, we don’t just consult — we design, deploy, and scale AI systems that transform customer experience at an enterprise level.

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