Checkout in user’s currency but charge in default currency

Hello, how could achieve the following aim with your plugin configuration:

1) we would like the user currency prices to be displayed in products and in totals in the checkout

2) however the actual payment we would like to take place in the default currency (we would place a small notice that all displayed prices are in the users currency, including total in the checkout, but the payment will take place in default currency)

Thank you for your support.