Portuguese Phrase
Sim, confirmei a reserva.
Meaning
The speaker is confirming that they have already secured a booking, such as a hotel room, restaurant table, or flight. The tone is straightforward and polite.
When to use
Use this sentence after a service provider asks if you have taken care of a reservation, or when you want to reassure someone that the reservation is already confirmed.
✦Grammar Breakdown
Sim,confirmeiareserva.
Sim
An affirmative particle meaning 'yes', used to confirm or agree.
confirmei
First‑person singular of the preterite (simple past) of the verb confirmar, meaning 'I confirmed'.
a reserva
Definite article + noun; 'the reservation'. In Portuguese the article agrees in gender and number.
🗨In Conversation
Você já fez a reserva para o jantar de sexta?
Did you already make the reservation for Friday's dinner?
Sim, confirmei a reserva.
Yes, I confirmed the reservation.
✕Common Mistakes
Sim, confirmei a reserva?
Adding a question mark changes the meaning to a question; the sentence is a statement, so use a period.
Sim, confirmei o reserva.
The noun 'reserva' is feminine, so the article must be 'a', not 'o'.
Sim, confirmei a reservação.
While 'reservação' exists, 'reserva' is the more natural word for a booking in everyday conversation.
↔Alternatives
Sim, já fiz a reserva.
Yes, I already made the reservation.
Claro, a reserva está confirmada.
Sure, the reservation is confirmed.
Já está tudo certo com a reserva.
Everything is already set with the reservation.
Cultural Tip
In Brazil it is common to answer with a short affirmation followed by the action you took. Adding a polite filler like "claro" or "com certeza" can make the tone warmer, especially when speaking with strangers or service staff.