go get https://github.com/toddheslin/amadeus

    amadeus, err := New(
        os.Getenv("AMADEUS_CLIENT_ID"),
        os.Getenv("AMADEUS_CLIENT_SECRET"),
        os.Getenv("AMADEUS_ENV"),
    )
    if err != nil {
        t.Fatal("not expected error while creating client", err)
    }

    // get offer flights request&response
    offerReq, offerResp, err := amadeus.NewRequest(ShoppingFlightOffers)

    // set offer flights params
    offerReq.(*ShoppingFlightOffersRequest).
        SetCurrency("EUR").
        SetSources("GDS").
        Oneway(
            "FRA",
            "BER",
            time.Now().AddDate(0, 5, 0).Format("2006-01-02"),
        ).
        AddTravelers(1, 0, 0)

    // send request
    err = amadeus.Do(offerReq, &offerResp, "POST")

    // get response
    offerRespData := offerResp.(*ShoppingFlightOffersResponse)

    // get pricing request&response
    pricingReq, pricingResp, err := amadeus.NewRequest(ShoppingFlightPricing)

    // add offer from flight offers response
    pricingReq.(*ShoppingFlightPricingRequest).AddOffer(
        offerRespData.GetOffer(0),
    )

    // send request
    err = amadeus.Do(pricingReq, &pricingResp, "POST")

    // get response
    pricingRespData := pricingResp.(*ShoppingFlightPricingResponse)

    // get booking request
    bookingReq, bookingResp, err := amadeus.NewRequest(BookingFlightOrder)

    // add offer from flight pricing response
    bookingReq.(*BookingFlightOrderRequest).AddOffers(
        pricingRespData.GetOffers(),
    ).AddTicketingAgreement("DELAY_TO_CANCEL", "6D")

    // add traveler
    bookingReq.(*BookingFlightOrderRequest).AddTraveler(
        bookingReq.(*BookingFlightOrderRequest).
            NewTraveler(
                "Foo", "Bar", "MALE", "1990-02-15",
            ).
            AddEmail("[email protected]").
            AddMobile("33", "480080072"),
    )

    // add contact
    bookingReq.(*BookingFlightOrderRequest).AddContact(
        bookingReq.(*BookingFlightOrderRequest).
            NewContact(
                "Foo", "Bar", "TESTING", "STANDARD",
            ).
            AddEmail("[email protected]").
            AddMobile("33", "480080072").
            AddAddress("ES", "Madrid", "45453", "Street 25"),
    )

    // send request
    err = amadeus.Do(bookingReq, &bookingResp, "POST")

    // get flight booking response
    bookingRespData := bookingResp.(*BookingFlightOrderResponse)