When the travel agency reserves a separate room, the guest must pay in cash at the front desk of the hotel. How to operate the rebate is better?

Hehe, this is generally returned by the hotel directly to the travel agency, which is the relevant part of the hotel returning to the travel agency after the guests check in.

Hotels control guests' money, and travel agencies had better cooperate with hotels they are familiar with or hotels with agreements. In order to avoid later disputes.