听力原文:W: I'd like to book a ticket to New York for this Friday.
M: Just a second.
W: I'll need a return-ticket.
M: SDL has a flight leaving at 8:15 a. m.
W: That's OK. What time shall I check in?
M: You have to be there three quarters of an hour before it leaves.
What does the woman want to do?
A. Sell a ticket.
Book a flight ticket.
C. Book a train ticket.