Maintaining high-quality data is essential for firms to gain insightful knowledge and make wise decisions in today's data-driven world. Inaccurate assessments, untrustworthy findings, and ultimately unsuccessful business plans can arise from poor data quality. When handling unstructured or textual data, traditional data cleansing techniques can prove inadequate. This is where Ask On Data and other NLP based data engineering tool come into play, providing creative ways to improve data quality using cutting-edge NLP techniques.