Google Forms Customer Data Collection with Duplication Check

I need a Google Forms expert to create a customer data collection form for me. This form should collect customer contact details specifically their Name, Phone Number, Vehicle Number, and Vehicle Type. A key requirement is that the form should check for duplicate entries to ensure data integrity.

Ideal Skills:
- Proficiency in Google Forms
- Experience in creating data collection forms
- Ability to implement duplicate check features
- Attention to detail for ensuring data integrity
- Basic understanding of customer data fields

Your role will be to design and implement the form, ensuring it's user-friendly and effective for our data collection needs.