Realistic Landscape Acrylic Painting

I'm looking for a talented artist to create a large, realistic acrylic landscape painting for my dining room. I would like a field of Lilies with a couple of sparrows flying overhead. I want it to be more of a moody feel.

Requirements:
- Realistic acrylic painting style
- Landscape subject matter
- Large size (over 24x36 inches)

Ideal skills and experience:
- Proven experience in realistic acrylic painting
- Strong portfolio with landscape works
- Ability to work on large canvases

Please provide samples of previous work and estimated completion time.