If you want to do some casual research for a future trip, you can get fare estimates using the Kayak skill. You can say, "Alexa, ask Kayak where I can go for $400" or "Alexa, ask Kayak how much it costs to fly from Los Angeles to Dublin." The skill will ask for additional information and eventually provide you with a series of options and price ranges.
If you have an audience that cares about what you and you have content that you would like to share with that audience, Alexa Flash Briefing is an ideal way to engage with that audience. Whether you are posting your Flash Briefing hourly, daily, weekly, biweekly, or some other frequency, enabling your audience to add your content to their Flash Briefing is an easy way to become part of someone’s routine. Examples of Alexa Flash Briefing content would be updates from experts (health news, stock tips, political campaign news). See below for a more extensive list of examples. But the sky is the limit. If you have something to say and you have people who would love to hear from you, and hear your speak the content in your voice, Flash Briefing is ideal.
When Alexa recognizes your voice, stories and news items you’ve already heard will be skipped. To set up voice recognition, say “Alexa, learn my voice.” This is feature is especially useful if you listen to flash briefings on weekends when many flash briefings don’t post new content. With Alexa voice recognition enabled, you won’t hear the flash briefing episodes you already listened to.
Like all AI devices that use National Language Processing or NLP, Alexa does not understand all voices easily. But she learns to understand her people over time. She does, however, require people to speak in simple terms, with appropriate pauses, and use specific word orders. There are many times when she will say "I'm sorry, I don't know the answer to that question." More than likely, she doesn't recognize a word order or misunderstood the question.