You can create a list of the guests currently staying in your hostel by using the function "Reports"(See here --> Reservation List and Guest List
Here you can see how such list looks like:
-in the top menu you can choose the date for which the report should be made (See here, and the status of the quest (Arrived/ Stayed/Canceled)
) - after clicking on this button, you will see the menu in which you can choose the categories of information about the guest that you want to be visible (See them here and here).
The report may be exported to excel by clicking on this button.