Is this a new iPhone?
OK and it asked for a password *****? You don't know the password ***** the Apple ID?
Go to Settings / iTunes & App Store you don't see your Apple ID listed at the top?
Did you look in Settings / iTunes & App Store?
Go here with a computer and fill in the information to see if you can recover this info.
Let me know if you are able to recover it.
If satisfied, please kindly provide an OK or Above Rating - so I get paid. Keep in mind you can always come back to this page at any time regarding this question. Thanks!!