C: Ladies and gentlemen, train express 6 for Tianjin will arrive in 10 minutes, please get ready for ticket checking. p: Excuse me. I am going to take this train with one of my friends, but she doesn't come yet. What should I do? C: Take it easy. This is the starting station. There are still 30 minutes before the train departs. You can call your friend and ask her to hurry up. P: Unfortunately my cell phone is out of power, where can I find a telephone? C: There is an IC card telephone at the entrance to the waiting hall. P: Thanks a lot. I'll go and have a try. C: You are welcome.