Continental to convert some Boeing 757 orders = = = = Thursday October 16, 1:28 PM EDT = NEW YORK, Oct 16 (Reuters) - Continental Airlines (CAL) said on Thursday = that it will convert firm orders for some Boeing 757-300s to smaller 737-= 800s. Chief Executive Gordon Bethune said in a conference call with analysts an= d reporters that the airline would take delivery on five 757-300s that Bo= eing Co. (BA) has already built and convert its remaining six orders to 7= 37-800s. = =A92003 Reuters Limited. = Roger EWROPS