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I think you have misunderstood what we are here for. We're a community of end-users of Atlassian tools (of course, including Atlassian themselves). We're not sales people who do demos.
If you want a demo, you should get in touch with one of the solution partners, as Atlassian only do them with large audiences. You can find a partner at https://partnerdirectory.atlassian.com/