Custom Airport Transfer Reservation System

We are taking bids for a custom plug in for an existing wordpress site for a private car Airport Transfer service. ***We only want to deal with people have worked on similar and can supply examples System will be booking widget(s) on the front end, connected to a shopping cart and a back end that will allow for confirmation emails to be automatically generated and sent, refunds to be issued, changes to reservations to be made and integration with Email Marketing and CRM etc. The wish list is below Customer side: Booking one way and/or return Ability to enter number of adults, number of children, age of children, number baggage booking with different type of transfers (collect or individual) booking with different type of cars Can include arrival / departure date, flight time, flight number, airlines company Can include arrival/departure location, hotel, residence, apartment, away, etc.. Obtain quotation or proceed straight to booking with discounts for early bookings. US$ and Sri Lankan Rupees insert personal data of the principal customer (name, last name, street address, phone). Payment by credit card or Paypal after payment confirmation service by issuing vouchers in pdf send email confirmation to the client, administrator, other (service provider) Administrator: inserting different destinations, different locations, different airports / ports. Insertion times of pick-up based on location / hotel departure Inserting different types of cars Inserting price calendar by day, type of car, the destination, the airport/port. inserting of cancellation policy Control reservations, printing lists arrivals / departures with selection by destination, resort, airport, port, hotel, residence, apartment, etc.. Check payments, printing list with reservation payments, invoice printing for customers. Must be PCI compliant, SSL interface with multiple payment gateways (example - both [login to view URL] and PayPal would be payment options) XML Connections Would prefer someone with something existing. Pleases end examples of work to be considered