What is the difference between Customer Questions and Booking Questions?

• Customer Questions get asked once only for each customer when they make their first booking. The next time a customer makes a booking, they will not be asked these questions.
• Booking Questions get asked each time a customer make booking. 

You can read about creating Customer/Booking Questions here.

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How do I set up Customer Questions and Booking Questions?

How do I set up Conditional Questions?