This is the 1939th most frequent German word.
buchen
To book or reserve.
Here, 'buchen' is used in the context of reserving or purchasing services like travel tickets.
Ich möchte einen Flug nach Berlin buchen.
I want to book a flight to Berlin.
In this sentence, 'buchen' indicates the act of reserving accommodations as part of a service transaction.
Der Kunde hat beschlossen, ein Zimmer im Hotel zu buchen.
The customer decided to book a room in the hotel.
Here, 'buchen' conveys arranging one's participation or access to an event or specific opportunity.