To access your booking details online with Horizon Travel LLC, you typically need to visit their official website, horizontravel.com. Once there, look for a section labeled "Manage My Booking" or similar. You will generally be required to enter your booking reference number and your last name to retrieve your reservation information. After entering the correct details, you should be able to view your itinerary, payment status, and any additional information related to your trip. If you experience any difficulties in accessing your booking, it may be helpful to check any confirmation emails you received, as they often contain direct links or instructions for managing your booking online. For further assistance, it is advisable to refer to the contact information listed on the website.