I understand a reservation made on Amtrak.com can be modified online. My question is does the 'no change fee' policy require the origin/destination of the reservation to remain the same? When I attempt to modify my current reservation, it gives the choice of changing the date/time or cancelling the trip. It's not clear if cancelling the trip would allow me to apply the full ticket value to a different itinerary, i.e. changing the origin/destination.