Aishwarya Krishnan thinks this is interesting: Is it the customer who requests the reservation or the travel agent From Chapter 1. Actors from Advanced Use Case Modeling: Software Systems by Frank Armour, Granville Miller Publisher: Addison-Wesley Professional Released: December 2000 Note Who is the actor in this case? Share this highlight http://www.safaribooksonline.com/a/advanced-use-case/8953/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in. Minimise Unlock the rest of Advanced Use Case Modeling: Software Systems and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.