"Romeo" refers to the letter R (ICAO phonetic alphabet) and is short for WCHR which is an aviation-typical abbreviation for "Wheel chair to Ramp". The gate agent basically informed the purser that there will be two special pax - the HON and one pax who required a wheel chair (and who will probably board the airplane first).

For further information and further codes please check here: http://en.wikipedia.org/wiki/Special...e_request_code