1.   Are they for domestic only, do they have blackout dates or require reservations weeks in advance?

2.   A. All dolphin-contact programs in the United States must be approved by the Agriculture Department, and all require reservations.

3.   All overnight stays require reservations.

4.   Airlines require a reservation for under-the-seat pets.

5.   For example, some landings require reservations up to six months in advance of the trip for the more popular boats.

6.   Increasingly popular, the boats require reservations.

7.   It has been attracting visitors by the busload and is so popular that for the first time in more than a decade, the museum is requiring advance reservations.

8.   Mindstorms, a workshop where kids are taught how to build motorized Lego robots and vehicles, requires reservations made the day of a visit.

9.   Some require reservations.

10.   Some restaurants require reservations well in advance.