business class
US /ˈbɪz.nɪs ˌklæs/
UK /ˈbɪz.nɪs ˌklæs/

1.
a class of seating on an airliner that is more expensive than economy class but less expensive than first class, with more amenities and space
:
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I always try to fly business class for long international flights.
•
The company booked him a business class ticket to London.