The document provides several examples of phrases in Chinese that can be used when buying train tickets or discussing train travel. These include asking about ticket availability, inquiring about departure times, saying you need to buy a ticket soon, offering to accompany someone to the train, politely declining help, reassuring someone that accompanying them won't be troublesome, and explaining that you need to hurry to buy a ticket before they sell out. It also gives the phrase "我没办法" for saying something is not possible, and "好的" with various translations like "alright" or "okay" to indicate agreement.