Where is the train?
Do you have a room free?
Can you please speak in English?
Where is the bathroom?
How much does that cost?
How do I get to ______?
etc.
I agree, it is courteous to make an effort.
Spelling & grammar probably atrocious but here goes:
Var är tåget (tawget)
Har du ett ledig (leia-dig) rum?
kan du prata engleska?
ursäkta (ur-shek-ta) var är toiletten?
Hur mycket (mu-ket) kosta det?
Hur kan man hitta ________
Other handies:
ursäkta (ur-shek-ta) = excuse me
Hej (hey) / hi / hello = Hello
Hej Då (hay-dooa) = goodbye
Jag Forstår inte (forshtaw) = I don't understand (inte being the implied negative of something)
Tack =thanks
Tack så Mycket (som-mooket)
Ja = Yes
Nej = No
stannar! = stop
Forbjudet = Forbidden
Herre (H) = Mens (toilets)
Damer (D) = Ladies (toilets)
Titt ut! (tit oot :P) = Look out!
I reccommend getting a blitz.. i mean 'berlitz' book for reading on the flight :)