German phrase
Könnten Sie mir ~ erstatten?
Meaning
Would you be able to reimburse me for ___?
When to use it
A polite request for a refund. Formal wording for expenses, often supported by receipts.
Example dialogue
Könnten Sie mir die Reisekosten erstatten?
Would you be able to reimburse me for the travel expenses?
Ja, gern. Haben Sie die Quittungen dabei?
Yes, gladly. Do you have the receipts with you?