WooCommerce Reservable Products is an extension for WooCommerce that allows customers to reserve a product by paying a caution amount at first and then later what remains of the payment. With WooCommerce Reservable Products you can :

Choose exactly which products can be reserved by your customers.
Set the caution to be paid by percentage or flat amount of the product price.
Set deadlines for payment completion to specific dates or dates relative to the reservation.
Easily find the reservations made by your customers.
Easily find payments missed by your customers.