search-cities

To map a state to its cities for travel planning, you can use a dataset lookup tool that reads a tab-delimited city-state file and returns a normalized list of cities for exact or case-insensitive state queries.

Validating user state entries and suggesting travel destinations involves querying a bundled city-state dataset to confirm the state exists and retrieving mapped cities to expand itinerary options.

Retrieving cities for itinerary planning requires querying a bundled dataset with a state input to return matching cities, which can then be used to filter flights, hotels, and activities.

Yes, performing a case-insensitive state lookup tolerates user input variations by normalizing the state query against the dataset mapping to successfully return the mapped cities.

Filtering travel options by state for flights and hotels is best handled by using a dataset helper to look up and retrieve valid destination cities, ensuring the user-entered state matches available locations.