**Confirmation** can be used in various contexts, here are some examples:
1. After the interview, I received confirmation from the company that I was invited for a job interview.
2. The teacher asked us to bring a confirmation letter from our parents to school.
3. She received confirmation of her flight reservation by email.
4. The lawyer sent a confirmation of receipt of the documents to the client.
5. The police officer requested confirmation of the witness's identity.
6. The bank sent confirmation of the successful transaction to the account holder.
7. The student received confirmation of his admission to the university.
8. The insurance company sent confirmation of coverage to the policyholder.
9. The manager requested confirmation of attendance for the meeting.
10. The airline sent confirmation of booking details to the passenger.