Complete the sentences with the given collocations

• travel allowance
• Air travel
• time travel
• travel itinerary

1. When I came back from my business trip, I got my
   [ ].
2. [ ] is always stressful for my sister because she is terrified of flying.
3. I've always dreamt about
   [ ]. It must be really exciting to see the past or future with your own eyes.
4. If you want to enjoy your holiday in an unknown country, just work out the
   [ ].