Develop a context diagram and as many DFDs as you consider necessary

7-43. Develop a context diagram and as many nested DFDs as you consider necessary to represent all the details of the training logistics system described in the following narra- tive. If you discover that the narrative is incomplete, make up reasonable explanations to complete the story. Supply these extra explanations along with the diagrams. Training, Inc., conducts training seminars in major US cities. For each seminar, the Logistics department must make arrangements for the meeting facilities the training consultant's travel, and the shipment of any seminar materials. For each scheduled seminar, the Bookings department notifies the logistics coordi- nator of the type of seminar, the dates and city loca- tion, and the name of the consultant who will conduct the training. To arrange for meeting facilities, the logistics coordinator gathers information on possible meeting sites in the scheduled city. The meeting site location decision is made based on date availability cost, type of meeting space available, and convenience of the location. Once the site decision is made, the co- ordinator speaks with the sales manager of the meet- ing facility to reserve the meeting room (s), plan the seating arrangement(s), and reserve any necessary audiovisual equipment. The coordinator estimates the number and size of meeting rooms, the type of seat- ing arrangements, and the audiovisual equipment needed for each seminar from the information kept in a logistics database on each type of seminar offered and the number of anticipated registrants for a par- ticular booking. After negotiations are conducted by the logistics coordinator and the sales manager of the meeting facility, the sales manager creates a contract agreement specifying the negotiated arrangements and sends two copies of it to the logistics coordinator The coordinator reviews the agreement and approves it if no changes are needed. One copy of the agree ment is filed and the other copy is sent back to the sales manager. If changes are needed, the greement copies are changed and returned to the sales manager for approval. This approval process continues until en the If rea- ese om ies ui L11 inst the with s re tuim into and ether der is quip and a pre valid r back