1/ You've sent a request to the guest to ask for his credit card details. (check the tutorial here)
This booking is now 'pending' as you are waiting for the guest to fill in his credit card details.
2/ The guest receives an e-mail including a link where he can leave his credit card details.
TIP: Check here how to personalize e-mail templates
3/ The guest will be redirected to the following page:
4/ The guest can leave his credit card details in a safe environment:
5/ Once the guest has filled in the credit card details this will be sent to ManCloud.
6/ The booking is automatically confirmed
TIP: Check how you can charge a credit card stored in ManCloud here