Chinese phrase
可以改签〜次？ ké yǐ gǎi qiān 〜 cì
Meaning
Can I change my ticket ___ times?
When to use it
This asks if a ticket can be changed multiple times. It is a neutral, polite question for a ticket office or service desk, with the number stating how many changes are being asked about.
Example dialogue
你好，我想问一下，可以改签两次？ ní hǎo wǒ xiǎng wèn yí xià ké yǐ gǎi qiān liǎng cì
Hello, I wanted to ask: can I change my ticket twice?
可以，不过每次都要收取手续费，具体要看票种。 ké yǐ bú guò měi cì dōu yào shōu qǔ shǒu xù fèi jù tǐ yào kàn piào zhǒng
Yes, but there is a fee each time, and the exact details depend on the fare type.