How can I cancel or modify a meeting room reservation? Joey GREINER April 20, 2018 12:17 Updated Follow Go to your booking in HAL and select the button that says cancel. Then you can book a new meeting room time. Related articles Is there a map of the meeting rooms? What kinds of meeting rooms are available at STATION F? I am a resident: can I organize an event at STATION F? How can I receive mail or parcels at STATION F? How to install printer driver on Mac OS Comments 0 comments Please sign in to leave a comment.