lǐfàshī kěyǐ bǎ shíjiān ràng gěi biérén, yě huì gèng yuànyì bāng nǐ gǎiyuē

理发师可以把时间让给别人，也会更愿意帮你改约。

The hairstylist can assign the slot to someone else and will be more willing to help you reschedule