the first time

cited from here
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Advice for Traveling Alone
** Avoid checking a bag. This is true of any air travel really, but I find it's much easier to be a self-contained entity when alone, leaving as little responsibility to the airline as possible. There's nobody to search for the right baggage claim with you or to help you talk to the agent if a bag gets lost. By keeping everything with you, there's less chance of error.

The biggest advantage of traveling alone is usually the ability to get an exit row seat. If the airline you are flying with allows online check-in (usually available 24 hours before departing time) exit row seats can usually be obtained there. If not, make sure to ask at the gate, as most of the time there will be the odd one exit row seat that nobody has taken because they want to sit with their traveling companions. They get company, you get leg room. Sometimes a book and being able to stretch is better than someone to talk to.
[3-Jan-2007 Joe McGrath ID2028]
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and it's my first travelling by myself ;-)
i'll see you all soon ya!