You would have to open a account at hashflare and they will provide transfer.
email from hashflare:
it is possible to resell your hash rate to another user, however you will need to find a user who would like to buy it - we will help with the transactions.
Regards,
Christine
HashFlare.io Support Team
Funny, since when is hashflare a trustworty party> NEVER heard of it.
Typically the scam you read in a few months.