Enable guest checkout for bookings

i tried to enable guest checkout at woocommerce setting , but it’s not working… the popup of sign in/up still appears.

Unfortunately it’s not possible for bookings, because a booking is created before the checkout redirect and it must be associated with some user ID. This way if the user abandons the booking process (or maybe the browser window is closed, the laptop turns off, etc) they can return to pay for the booking, unpaid bookings are displayed in Account/Bookings with the Pay Now button.