> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://faq.cteleport.com/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).

# Changing details of existing booking

You can change many things on the app, some by requesting through chat. However, some items cannot be amended at all. Check the list below:
**Change from the app:**
* [passport details, date of birth, nationality](https://faq.cteleport.com/en/article/how-can-i-change-passenger-passport-details-i9vxo8/?bust=1719501284703)
* [flight date and time](https://faq.cteleport.com/en/article/how-can-i-change-a-ticket-lqazga/)
* [add baggage at the moment of booking](https://faq.cteleport.com/en/article/how-to-add-baggage-bvxxnm/)
* payment method before booking
* invoicee before booking
* [vessel name and flag](https://faq.cteleport.com/en/article/how-to-change-vessel-name-14q2gai/?bust=1719499510260)

**Request changes from the support team:**
* invoice details after the invoice is issued
* [ticket upgrade](https://faq.cteleport.com/en/article/what-extra-services-do-we-offer-1xna8ml/)
* [ticket extra’s (add meals, wi-fi, extra baggage after booking, fast-track etc.)](https://faq.cteleport.com/en/article/what-extra-services-do-we-offer-1xna8ml/)
* [travel policy settings](https://faq.cteleport.com/en/article/travel-policies-1oxpakr/?bust=1718544469157)
* [name changes (in case of typos)](https://faq.cteleport.com/en/article/what-should-i-do-if-i-misspell-a-passengers-name-on-the-ticket-1xgz225/)

**Impossible to change:**
* flight routing (only as cancel and rebook)
* ticket transfer to a new passenger (only as cancel and rebook)

In case of questions, ask us in chat.