tour operator
US /ˈtʊr ˌɑː.pə.reɪ.t̬ər/
UK /ˈtʊr ˌɑː.pə.reɪ.t̬ər/

1.
a person or company that organizes and sells package holidays
:
•
We booked our trip through a reputable tour operator.
•
The tour operator arranged all the flights and accommodation.