The Booking Fee is a variable fee that helps support Uber's regulatory, safety, and operational costs, such as the government-mandated commercial auto insurance we maintain on behalf of TNC/rideshare drivers and payment card fees.
Why are there 2 Uber charges?
If you accidentally pay in cash and by card, try calling the driver within 24 hours using the button in the History section. Sometimes your bank might notify you of two separate charges because first the funds are reserved on your card, then charged later.