How to make up the price difference for an additional adult staying?

No need to fill, you can check in directly. Originally, we were three people who wanted to stay, but the boss said it was okay. Later, another friend couldn’t come due to something.
No need to make up the difference, just pay for the breakfast fee would be fine.
What did you ask about, the hotel or the plane?
No need to fill in, you can check in directly. Originally, we were three people who wanted to stay, but the owner said it was okay. Later, another friend didn’t come because of something.
No need to make up the difference, just pay for the breakfast fee would be fine.
What are you asking about, the hotel or the plane?