jīn nián nǐ dǎ suàn huí lǎo jiā guò nián ma
A: 今年你打算回老家过年吗?
Are you going back to your hometown to celebrate the Spring Festival?
chūn yùn rén tài duō le piào nán mǎi de hěn
B: 春运人太多了,票难买得很。
There are too many people during the travel season, and it is really hard to get a ticket.
wàn yī mǎi bù dào ,nǐ kě yǐ shì shì mǎi hòu bǔ piào ,tīng shuō chéng gōng jī lǜ hěn gāo de
A: 万一买不到,你可以试试买候补票,听说成功机率很高的。
If you can't buy one, you can take a standby. I heard its rate of success is high.