Event Management -> Travel Arrangements
When in the Travel Arrangements front page, click +Create New Arrangement:
Within the create page, click the drop down and select Flight and input the data for the flight. This includes departure dates, times and destinations:
The additional two ab across the top will allow you to select how many people will be allocated to this arrangement, which class they are in and the lead passenger:
And finally, you can select the costs tab across the top and input more information relating to this arrangement:
When all the travel information has been input to all 3 forms, its time to click Save Changes at the bottom to complete the arrangement which will then be displayed in the Travel Arrangements page: