sugarcrm customization develop - repost

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
we organized many trips, and now, we are planning to use sugarcrm to implement these needs,
1.manage travelers.(it should be a module)
2.manage trips.(it should be a module)

travelers can login sugarcrm (not use user account),
and if a trip is open and public,travelers can apply to join in.
and then the trip coordinater (sugarcrm user) can approve/reject this application.

please tell me your similar project experience.

/*****reminding and warning******/
you must use iportal or similar module, don't use user module for travlers self-service!!

Skills required:
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