1. to confirm again; to establish or verify something once more

Examples

• Please reconfirm your flight reservation 24 hours before departure.
• The doctor asked me to reconfirm my appointment for next week.
• We need to reconfirm the meeting time with all participants.
• The hotel called to reconfirm our booking details.
• I should reconfirm the address before heading to the interview.
• The bank will reconfirm your identity before processing the transaction.