[{'role': 'user', 'content': "Analyze the following clause from a privacy policy and determine if it's fair or unfair. Also identify any privacy practices mentioned: You may store your information in order to facilitate your travel (e.g. reservation, specific flight information, etc.) or purchase needs. The mobile application(s) may also store user-provided data, unless you choose to delete it, for as long as you use the related feature of the application. Information provided for traveler data, security clearance, purchases and related activities will be stored in our operational systems, as needed, to provide services you request. If such information is stored in your MileagePlus account it will not be accessible if your MileagePlus account is closed."}, {'role': 'assistant', 'content': 'This clause is fair. The privacy practices mentioned are: nan.'}]