If you face any problem in managing booking, you can call directly on Allegiant Airlines customer service. Follow the below steps to manage your flight booking.
Visit the official website of the Alitalia airlines.
Now, go to the “my flight” tab.
Enter your reservation code, first and last name of the passenger.
Click on the search button.
Now, on the manage booking page; you can choose required services that you want on your flight tickets.
Follow the on screen instructions to manage your booking.
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