Finding 5 long tail keywords

I am looking for SEO specialist in finding 5 keywords that will meet the following criteria: 1. Long tail keywords related to weight loss, fat loss niche. 2. Over 3,000 searches per month (IN PHRASE MATCH) according to Google's keyword tool. 3. Less than 13 000 competitors in Google in quotes. 4. The competing sites in Google 1st page after entering the keyword wihtout quotes shouldn't include the following sites: - wikipedia - e-how - wikihow - about - authority sites - sites with PR more than 2 If we work well together you can expect a lot more work from me. This is an easy job for someone who know what they're doing. Thanks. Edyta