German Phrase
Wie lautet deine Buchungsnummer?
Meaning
The sentence asks someone to tell you their booking reference number. It is a direct, informal way to request the identifier used for a reservation, ticket, or hotel stay.
When to use
Use this question when you need a customer's booking number during check‑in, phone support, or email correspondence. Switch to the formal "Wie lautet Ihre Buchungsnummer?" in business or with strangers.
✦Grammar Breakdown
WielautetdeineBuchungsnummer?
Wie (interrogative adverb)
Used to ask "how" or "what"; here it asks for the content of the booking number.
lautet (verb lauten)
Third‑person singular present of "lauten" meaning "to read/ to be called"; common in questions like "Wie lautet…?".
deine (possessive adjective)
Informal singular possessive for "du"; declines to feminine nominative to match "Buchungsnummer".
Buchungsnummer (compound noun)
A feminine noun formed from "Buchung" (booking) + "Nummer" (number); means "booking reference number".
🗨In Conversation
Wie lautet deine Buchungsnummer?
What is your booking number?
Meine Buchungsnummer ist 12345678.
My booking number is 12345678.
✕Common Mistakes
Wie heißt deine Buchungsnummer?
"heißen" is used for names, not for numbers; use "lautet" instead.
Wie lautet dein Buchungsnummer?
"Buchungsnummer" is feminine, so the possessive must be "deine", not "dein".
↔Alternatives
Wie ist deine Buchungsnummer?
What is your booking number?
Könntest du mir deine Buchungsnummer nennen?
Could you tell me your booking number?
Darf ich Ihre Buchungsnummer haben?
May I have your booking number?
Cultural Tip
German speakers distinguish sharply between the informal "du" and the formal "Sie". In a hotel or airline setting, unless you know the person well, use the formal version: "Wie lautet Ihre Buchungsnummer?". Also, repeat the number back digit by digit to avoid misunderstandings, as precision is valued.