Also I suggest you watch youtube tutorials by alfapiomega (here on AS I think his username is Yb)
ha has 3 sets of tutorials, one from 2012, one from march 2013 and one just recent from this month.
I hope he won't object for posting them here, after all, the idea of the tutorials is to help new players
2012 tutorials:
Playlist - http://www.youtube.com/playlist?list=PLpVUxdiS7yw9S42dkc3ZNLwNK_AZ4IRRt
Part 0 - http://www.youtube.com/watch?v=NrVocuO_q8Y http://www.youtube.com/watch?v=NrVocuO_q8Y "A rather messed up review - AirlineSim"
Part 1 - http://www.youtube.com/watch?v=7C3ytjQUWrw "Choosing a location for your airline"
Part 2 - http://www.youtube.com/watch?v=jIuBZ2xjHi0 "Strategy Behind an airline"
Part 3 - http://www.youtube.com/watch?v=-X_Y9xQR0tA "Route setting, demand calculating, maintenance and expenses"
Part 4 - http://www.youtube.com/watch?v=WJkABUGyR5w "Owning aircraft, leasing aircraft, stock market, future, Community"
Part 5 - http://www.youtube.com/watch?v=D7i_S5x6zk4 "AGEX, fuel, new planes in the neighbourhood, forums, logos etc."
March 2013 tutorials - Let's Play Airlinesim:
Part 0 - http://www.youtube.com/watch?v=Gv3Ir7VFbj4 "Perils of a choice"
Part 1 - http://www.youtube.com/watch?v=AX-IVU4SNOY "Well Hello There Africa"
Part 2 - http://www.youtube.com/watch?v=H1G5Aq4MMNs "Scheduling, Scheduling, Scheduling"
Part 3 - http://www.youtube.com/watch?v=AnDHIvAKwwk "Strategic Decisions"
Part 4 - http://www.youtube.com/watch?v=7Uiw4v5ZtS0 "Trouble in Paradise"
Part 5 - http://www.youtube.com/watch?v=vyGgG1TdmHQ "Profit in Paradise"
Part 6 - http://www.youtube.com/watch?v=X9v4RtVduqI "Going International"
Part 7 - http://www.youtube.com/watch?v=TFfa7q9aPcY "Struggling on a Daily Basis"
Part 8 - http://www.youtube.com/watch?v=L9vXHhf-tYM "Bad News Everyone"
Part 9 - http://www.youtube.com/watch?v=a-xXkNTCeCk "Going Nach Lisbon"
Part 10 - http://www.youtube.com/watch?v=mNr34MJ307c "Short Update No. 1"
Part 11 - http://www.youtube.com/watch?v=FJ0CW0PBPmM "Short Update No. 2"
Part 12 - http://www.youtube.com/watch?v=nuxvpmn9JNw "Short Update No. 3"
Part 13 - http://www.youtube.com/watch?v=exrZKEjr4tc "Short Update No. 4"
Part 14 - http://www.youtube.com/watch?v=y4cwcoyN5Jc "Change of Pace"
Part 15 - http://www.youtube.com/watch?v=1KxseI_vwt4 "End of an Era"
October 2013 - Let's Play Airlinesim Again
Playlist: http://www.youtube.com/playlist?list=PLpVUxdiS7yw8inNjRSmdp9mBRleh36qGB
Part 1 - http://www.youtube.com/watch?v=mVrNHuqMTxo "Here we Come, Bolivia"
Part 2 - http://www.youtube.com/watch?v=hsKzKqxpLl8 "Powerty and Beauty"
Part 3 - http://www.youtube.com/watch?v=R54t_ozyL-Y "Profit/Loss"
Part 4 - https://www.youtube.com/watch?v=WU-mFNfebyM "Established"
Part 5 - https://www.youtube.com/watch?v=QXoNc4pTNg8 "A New Start"
Part 6 - https://www.youtube.com/watch?v=xXOS9Q0ym3s "Establishing Ourselves"
Part 7 - https://www.youtube.com/watch?v=U_IKTO84v-8 "Happy Growing"
Part 8 - https://www.youtube.com/watch?v=jXeIkjvwG4s "Minor Changes"
Part 9 - https://www.youtube.com/watch?v=x6NiuPKrIRY "End due to Personal Reasons"
May 2014 - January 2015 - Airlinesim Take 3
Playlist: https://www.youtube.com/watch?list=PLpVUxdiS7yw_JfoTuXbTyJKeFJx3ldvnk
Part 1 - https://www.youtube.com/watch?v=jM8Xj9nePxI "Yemen Air"
Part 2 - https://www.youtube.com/watch?v=OpURLNm_sZc "Quick Update"
Part 3 - https://www.youtube.com/watch?v=T-j0F6PGnXQ "Yemen? YEMEN!"
Part 4 - https://www.youtube.com/watch?v=T-j0F6PGnXQ "You don't dick around Yemen"
Part 5 - https://www.youtube.com/watch?v=h8VH04qvWYk "Ok, maybe you do"
Part 6 - https://www.youtube.com/watch?v=A1KmYtAZeRg "Increasing everything"
Part 7 - https://www.youtube.com/watch?v=vhEbDUnWGWk "Happy, happy Yemen"
Part 8 - https://www.youtube.com/watch?v=MK1jffKMz14 "Put the cash right here"
Part 9 - https://www.youtube.com/watch?v=USDWxLXqFXU "Waiting it out"
Part 10 - https://www.youtube.com/watch?v=2ML_OxBv_Ew "Small expansion"
Part 11 - https://www.youtube.com/watch?v=MJuWjxUP0ns "Less than 8.5 milion in debt"
Part 12 - https://www.youtube.com/watch?v=YkqO2YKBhPk "Just 2 weeks to go!"
Part 13 - https://www.youtube.com/watch?v=fKL2zFgrRWI "First Antonov AN-148-100E"