Adapted practice prompt

reschedule 瑜伽课

You are a university student. a required laboratory session now conflicts with the yoga lesson you booked. Write an email to Ms. Chen to apologize and arrange a practical alternative time.

In your email, do the following:

1. 1Apologize directly for the change or inconvenience.
2. 2Explain the reason briefly without making excuses.
3. 3Propose a fair alternative or next step.

根据主题改编，非 ETS 官方原题。