is it possible for submission in one form to show up in another form

if someone enters their name in a registration form, can it show up in a flight reservation form?

Hello alexi7631,

Yes it is possible to achieve your requirement by taking advantage of "URL Parameter" feature and redirect URL to your desired form. You may like to take a look at the following guide which should help you:  https://www.jotform.com/help/351-How-to-Automatically-Pass-Form-Data-to-Another-Form

Hope this helps.

Do get back to us if you have any questions.

Thank you!