Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to avoid uber cancellation fees [title] Take note of when you requested the ride. [step] The best way to avoid an uber cancellation fee is keeping track of time. If you don't cancel the uber in a timely fashion, you'll be charged a fee.

Ending1: [substeps] If you used a different ride from the one you used right away, you will never make any effort to cancel or even seem to pay on time. This will amount to a heavily charged fee. Ending2: [substeps] For instance, if you requested the ride on a construction site but are unable to return the ride in a timely fashion, your wait price can increase as the time passes. To avoid an uber cancellation fee, you'll need to pay for the ride by the agreed upon terms. Ending3: When you call your uber, take note of what time it is. If you choose to cancel, make sure you do within five minutes. Ending4: [title] Contact a uber customer service representative in your area. [step] Get in touch with customers so you don't miss cancellation.

Answer format: ending1/ending2/ending3/ending4