What are the top 3 items that I need when traveling by plane.
When packing for this trip, you should pack: 
1. An empty reusable water bottle to fill at the airport so you can stay hydrated. 
2. A packable airplane travel pillow so that you can sleep comfortably on the flight.
3. A snack in case you get hungry.
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(Optional) Context information is below.
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Answer the following query.
What are the top 3 items that I need when traveling by plane.

user
When packing for this trip, you should pack: 
1. An empty reusable water bottle to fill at the airport so you can stay hydrated. 
2. A packable airplane travel pillow so that you can sleep comfortably on the flight.
3. A snack in case you get hungry.
assistant