German Phrase
Hast du eine Bestätigungsnummer?
Meaning
This question asks whether the listener possesses a confirmation number, such as the code you receive after booking a flight, hotel, or a bank transaction. It is a direct, informal way to request that piece of information.
When to use
Use it at a travel agency, airline check‑in desk, hotel reception, or any service where a reservation has been made and you need to verify the booking. It is appropriate when you are speaking with friends, family, or colleagues (informal ‘du’).
✦Grammar Breakdown
HastdueineBestätigungsnummer?
Verb‑Second (V2) in Questions
In yes/no questions the finite verb moves to the first position, followed by the subject.
Haben – 2nd Person Singular
‘Hast’ is the present‑tense form of ‘haben’ for ‘du’ (you, informal).
Indefinite Article with Feminine Noun
‘Bestätigungsnummer’ is feminine, so the article is ‘eine’.
Compound Noun Formation
‘Bestätigungs‑nummer’ combines ‘Bestätigung’ (confirmation) and ‘Nummer’ (number) into one word, a common German pattern.
🗨In Conversation
Hast du eine Bestätigungsnummer?
Do you have a confirmation number?
Ja, sie lautet 123456.
Yes, it is 123456.
✕Common Mistakes
Haben du eine Bestätigungsnummer?
‘Haben’ is the infinitive; you need the conjugated form ‘Hast’ for ‘du’.
Hast du ein Bestätigungsnummer?
‘Bestätigungsnummer’ is feminine, so the article must be ‘eine’, not ‘ein’.
Hast du eine Bestätigung Nummer?
In German compound nouns are written together; splitting them is incorrect.
Sie hast eine Bestätigungsnummer?
When using the formal ‘Sie’, the verb agrees with third‑person plural: ‘Haben Sie…’.
↔Alternatives
Hast du die Bestätigungsnummer?
Do you have the confirmation number?
Könntest du mir deine Bestätigungsnummer geben?
Could you give me your confirmation number?
Haben Sie eine Bestätigungsnummer?
Do you have a confirmation number? (formal)
Cultural Tip
German distinguishes between informal ‘du’ and formal ‘Sie’. In business or with strangers you should use the formal version: ‘Haben Sie eine Bestätigungsnummer?’ Also, Germans often write the confirmation number on a printed receipt or email, so it’s common to ask for it when you need to reference a booking.