听一段材料，回答下面几个小题。
When does the man decide to return?
A.On Saturday the 10th.
B.On Sunday the 11th.
C.On Friday the 10th.
How long will the flight take?
A.Two and a half hours.
B.Three hours.
C.Three and a half hours.
Who is the woman speaker?
A.A travel agent.
B.An operator.
C.A ticket collector.