Video Combination with Smooth Fade

I need two videos combined into one MP4 file. The transition between the two videos should be a smooth fade.

Requirements

- Combine two videos - Smooth fade transition - Deliver in MP4 format without losing quality, videos were taken from drone. Ideal Skills & Experience: - Proficiency in video editing software - Experience with smooth transition effects - Ability to deliver high-quality MP4 videos Looking forward to your bids!