Group Booking is  booking more than one room for a group of people at a time. Unconfirmed booking does not affect inventory. This allows overbooking then your actual  room inventory.

Location:
eZee Front Desk >> Front Office >>  New Booking

User Privilege:
Reservation/Booking >> Add Booking

How to access:
Select new booking and fill the requirement. Once you complete step by step booking process, it generates booking number. You can assign rooms to this booking transaction when required. Please refer below screenshots for more details:

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Here you can add number of room to book for group

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Video: