听下面一段对话，回答第1~2小题。
1. Why is Sam so excited?
A. Because he will go to dinner with his friends.
B. Because his parents will take him to Hong Kong for a trip.
C. Because he has got two free tickets for the concert tonight.
2. When are they going to leave?
A. On June 29. B. On July19. C. On July 29.
