You have to call them and book through their agent. Also, I was told that this is one of the Citi cards where they would prorate the annual fee if one canceled.
You have to call. They have a new concierge team now that is much more efficient. Make sure you have done your research and know the rate you want in advance. They can book most rates for you, even the discounted ones like AAA. Good stuff!
If anyone has zero plans to use their golf benefits and are feeling generous my DM's are open It's peak golf season in AZ and the golf prices are crazy.