Here you will see the full list of payments. With convenient filters and searching, you can find any payment you want. If you can make conveniently view through ASC or DESC in columns of schedule for your need.

If customer completes payment with PayPal or Stripe when online booking, payment status will be seemed to Paid in green.
If customer select local payment when booking, then payment status will remain Pending. And after your manager receives payment from customer and will find that customer on the list and open information about payment by clicking the Info button from options in front of it.

Clicking on the EDIT button, you can change the status by completing a payment.

If you have received a full payment, you can mark your status as Paid by noting that. Otherwise, by noting the amount of payment, you can save status as Pending till the other part of payment will be paid. Choice is yours.