var results = await (from s in db.IntermediaryAssignment

                         where s.Dispatched == false && s.CompanyCode == 

                         company && s.RegistrationNumber ==

                          registrationNumber orderby s.StickerCode 

                         ascending select s).FirstOrDefaultAsync();

    return results;

var db = new DatabaseContext();

    var results = await (from s in db.IntermediaryAssignment

                         where s.Dispatched == false && s.CompanyCode == 

                         company && s.RegistrationNumber ==

                          registrationNumber orderby s.StickerCode 

                         ascending select s).ToListAsync());

​

    return results.FirstOrDefault();