> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.sharetrip.net/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Can I change or modify orders that are already placed?

No, you cannot modify an order once it is placed. If you need to make changes, you will have to place a new order.