Cover and add post design

I'm looking for a modern and sleek Facebook cover photo and a square banner/post design for my taxi startup, Jetro Cab. These will be used on my Facebook page and for running ad campaigns.

Key requirements:
- Incorporate our company logo
- Include contact information
- Add our tagline or slogan
- Primary call-to-action: "Book a ride now"

Ideal skills and experience:
- Proficiency in graphic design software
- Experience with Facebook ad designs
- Ability to create modern, sleek visuals
- Strong attention to detail

Please provide samples of previous work.