Stripe will help you to manage different ways of saving the payments.You can find more informations about Stripe on the following link:https://stripe.com/
Click on the concerned reservation
Click on the Reservation number
Scroll down and click on Stripe
You can tick this box if you want to send a "Receipt email"
Click here in order to charge the full amount of the reservation
You have the choice to capture immediately ...
Or to capture later
Click on Create Charge
You can see that you charged the amount of the reservation!Click here if ever you want to refund
Click on Refund
Type in the amount you want to refund and click here
that's it. You're done.