We recommend that you make your reservations as soon as possible to avoid the disappointment of finding out that the tour you wanted has sold out. (singlestravelintl.com)
The other suggests asking as soon as possible to avoid disappointment later on. (top10bestdatingsites.com)
For added peace of mind we recommend that you pre book your lounge entry, to avoid any disappointment on the day. (virginatlantic.com)