reward ticket - date change
 

A question on changing the date on reward ticket. Suppose I book a return reward ticket to depart on October 1 and return on Oct 31. Later on, if I want to change my return date to, say, Nov 10, and pay $25. Should a similar reward seat be available for the new date, or, will they just give me a regular seat ?
Thanks in advance

A saver/ flex reward seat would need to be available on the new date.