1. Go to Analysis > Information Library. Click Add an ad-hoc query.
  2. Select the source view of Group sales reservations and click Ok.
  3. From the middle, drag Reservation record into Include records where. Set equal to the reservation you want to review.
  4. On the left, click on Status History.In the middle, click on Status and move this to Include Records Where. Set the criteria to equal to Complete.
  5. Drag Status a second time but move this to Results fields to display.
  6. From the middle as well, drag Changed by user name and Date changed into Results fields to display.
  7. Preview Results

Below is an example of what your final query will look like:

Who checked in group query