Signed up, made an appointment, the time was wrong; need a way to reschedule. Support hasn't responded either from an early morning message. Likely you're busy,

Signed up, made an appointment, the time was wrong; need a way to reschedule. Support hasn't responded either from an early morning message. Likely you're busy, not a great first time use so far, but hopefully it improves. Check them support messages, especially day 1 / week 1! =)