17. The method of claim 16 , wherein building a query further comprises: accessing a data repository storing one or more correspondence tables between one or more of the pre-determined items and one or more formatted items, the one or more formatted items including the formatted item compatible with the travel data service.
16. The method of claim 15 , wherein building a query comprises: converting the matched first item and/or the matched second item into a formatted item compatible with the travel data service.