When will Ms. Austin leave for her trip?

W: I’m calling to confirm my flight to New York this Saturday. (68)My name is Jane Austin, and my flight number is K701.
M: Yes, Ms. Austin. Your name is here in our computer. I’d like to remind you to please come to the airport two hours before your departure time to get your seating arrangements.(69)
W: Thank you. And by the way, could you tell me once again how long my flight will be?
M: The total number of hours is 16 hours because you have a two-hour stopover(70)at Los Angeles International Airport.