My guess is that the Ace Ticket sales reps on the phone get a commission, and that Ace Ticket purposely doesn't include the seat numbers online so that you have an incentive to wait until they're open and call the sales rep on the phone.
What is 'Collective Bargaining'. Collective bargaining is the process of negotiating the terms of employment between an employer and a group of workers.
Bargaining: A form of distributive negotiation. Bargaining is a simple form of negotiation process that is both competitive and positional. Bargaining predominates in one-time negotiations and often revolves around a single issue â usually price. One party usually attempts to gain advantage over another to obtain the best possible agreement.