What is being announced?

May I have your attention, please?(72)This announcement is for all passengers waiting to board flight 350 from New York to Sacramento, California.(71)We regret to inform you that we have overbooked flight 350. Therefore,(73)we are looking for volunteers to take the next flight out, which will depart approximately in two hours and thirty-five minutes after flight 350. To compensate for the inconvenience, we will be offering a coupon for 50 dollars off the next flight you book with us. Would all volunteers please proceed to the check-in counter at Gate five? We apologize for the inconvenience and hope you travel with us again soon. Thank you.