Suppose a hotel guest's deposit is not enough, how to use crm system to deal with this problem?

Hotel CRM system is an office software applied to hotel customer management and a CRM system applied to the hotel industry.

The main purpose of using hotel CRM system is to increase sales revenue, improve customer satisfaction and improve customers' return to the hotel.

If the hotel deposit is not enough, the hotel staff will urge the guests to pay the deposit. Because when guests check into the hotel, they will charge a deposit according to the deposit of check-in and fixed miscellaneous fees. Guests can pay cash or pre-authorize their credit card as a deposit.