Below is the reservation link for the guests to book their sleeping accommodations.
https://www.hilton.com/en/attend-my-event/cmhates-91w-59078f2b-a10d-49ca-af6f-295c6ef630ea/
The guests may also call the hotel directly at 614-536-0500 or Central Reservations at 866-318-9780.
The group code is CES91W.