Question 68 - 70 refer to following paragraph:
San Francisco, July 1
AirVoyage’s spokesperson Bob Lohman announced this morning that a short-term (68)........ of the company’s online reservation system was responsible for several delays yesterday.
International air traffic was stalled as AirVoyage found alternate means of updating its customers with current flight information. Lohman stated that the network problem (69)........ by outages at the local communication company.
Lohman added that staff members have made significant changes to the reservation system, and the (70)........ system will increase customer satisfaction. In addition, AirVoyage has increased its telephone reservation system staff to boost customer support for last-minute reservations.

68. AirVoyage’s spokesperson Bob Lohman announced this morning that a short-term (68)........ of the company’s online reservation system was responsible for several delays yesterday.