https://support.google.com/assistant/thread/304655949?hl=en&sjid=2375475680482359443-NA https://support.google.com/assistant/thread/304655949?hl=en&sjid=2375475680482359443-NA https://support.google.com/assistant/thread/304655949?hl=en&sjid=2375475680482359443-NA https://support.google.com/assistant/thread/304655949?hl=en&sjid=2375475680482359443-NA https://support.google.com/assistant/thread/304655949?hl=en&sjid=2375475680482359443-NA https://support.google.com/assistant/thread/304655949?hl=en&sjid=2375475680482359443-NA Does American have a cancellation policy