Right now you are facing towards the passage way, turn around and you have an door open on your left, enter into that door and turn right. You have a glass wall in front of you beside the white wall. Move forward towards that and you will again see the passage way, move forward through the passage way until you find an open door on your left. Enter into that and this is your final point where you have a table and a chair in front of you and the room number is 307.