41. As a result, advance booking is mandatory. 42. Each January, cruise lines await Wave Week, a period when advance bookings for the upcoming season come in. 43. Advance booking have to be made.44. The international airport is crowded, making advance booking , especially during high season ( December to March ) advisable. 45. During August advance booking is essential. 46. It was the demise of the Zuckerman deal a year ago that made possible advance bookings for conventions. 47. And we're already seeing a lot of that in our advance bookings for international travel, " he said. 48. In July 2004, after a progressive run off period honouring advance bookings , the Conference and Events Centre closed. 49. The company said that advance bookings indicate a gradual recovery in demand, but that demand is still weak. 50. There has been a 50 percent rise in advance bookings against an increase in capacity of 35 percent,
