what are the start date and end of date of the booking that has booked the product named 'book collection A'?
SELECT T3.booking_start_date ,   T3.booking_end_date FROM Products_for_hire AS T1 JOIN products_booked AS T2 ON T1.product_id   =   T2.product_id JOIN bookings AS T3 ON T2.booking_id   =   T3.booking_id WHERE T1.product_name   =   'Book collection A'
start date of the booking refers to booking_start_date; end date of the booking refers to booking_end_date; booked the product named 'book collection A' involves joining tables Products_for_hire, products_booked, and bookings, and filtering where product_name = 'Book collection A';