nouns - travel
- agent
- carrier
- checkout
- city
- class
- coach
- concierge
- concourse
- conference
- confirmation
- consulate
- continent
- date
- delay
- destination
- driver
- fare
- flight
- gate
- hotel
- hub
- itinerary
- kilometer
- layover
- leg
- leisure
- mile
- mileage
- operator
- origin
- pass
- passenger
- passport
- pilot
- porter
- rate
- seat
- space
- suite
- taxi
- ticket
- transfer
- transit
- travel
- trip