Virtual Assistant Admin

Looking for a virtual assistant for admin support like the following can call US clients and international ,review documents,create business letter or all around admin support this is a transportation company that arrange freight from truckers,freight forwarder and more ,this is open for company or individual who has experience for trucking industry or dispatching its either a company or individual this requires 10- 20 hrs a week for a month .Pls bid your final amount.Good luck and thanks.