Wrote a call-center application using Cohesion that was used to book vacations.

The system allowed hotel vendors to login and change their room rates.

Dealt with both commissionable and net-rate inventory booking rules.

One of the interesting problems was distributed inventory holds which would lock the inventory long enough for a reservation to be booked on the phone.

Handled packages for major events that included hotels, transportation, tickets, etc.

Wrote a XML client interface to query flights and car-rentals.

Migrated the company off of a legacy system with a seamless transition to the new software.