Проверила письмо и статус дата стоит такая же как и было интервью изначально назначено 14го февраля. Ещё вот такую информацию на сайте нашла:
If you are unable to attend the interview scheduled by the National Visa Center (NVC): we will email you a notice with instructions on how to reschedule an interview through the visa application services website AFTER your interview date has passed. Please follow those instructions to reschedule your interview when you are ready. Do NOT try to schedule a new interview appointment until you have been contacted directly by the U.S. Consulate General Guangzhou and instructed to do so. Please keep in mind that you should contact us at least once per year to keep your case valid.