Flutter Mobile App Developer

Hello :)
I want a flutter Mobile App, for single doctor that main feautres is:
- users Can registre/login
- doctor Can Do online meeting for range of Time with specific patient (free solution for metting)
- doctor Can chat with their users and get notified for both
- when doctor metting with their patient, doctor Can showing statistics about patient (angry, happy etc...)
- patient Can Book an appointement and doctor will be notified and confirmed, when confirmed patient should be notified.
- also should be an account for assistant of doctor to confirm and verify the appointement etc...
***** All details will be provided, this is Big points.
***** Please do not Bid auto, so i Can verify that you are read requirements :)
Thanks :)