Dear sir/madam
I would like to, first of all, thank you for the opportunity.
I am confident that my skill set matches the proposed work and I am able to have it completed within the specified timeline.
I can have this done in Unity3d.
I am a new Freelancer and have placed a bid accordingly.
If you have any concerns please feel free to contact me. Also, check out my profile.
Looking forward to working with you.
Jason