Hello Ashwin,
Every airline has different policies on what can be done for
reprotections on schedule changes. Generally a partial refund is not
allowed, and neither are routing changes which is what removing a
coupon would result in more than likely. Of course there are cases
where either of those could be allowed - like a service reduction on a
route, a major weather event, industrial action, etc. You need to
reach out to the sales support for the airline that has the schedule
change and see if they will allow for what you are asking. Do not do
it without making sure it is allowed, or you will get a debit memo.
If they do, they will tell you to do a manual exchange on the ticket
at the lower value. Type HE EXCHANGE to see the steps on a manual
exchange. Also HE TTC to see the steps on constructing a manual TST.
And if the airline gives you a waiver code, make sure you put it in
the endorsement box.
Keep in mind that what you see the airline do is not always
applicable to what you can do. It is the airline's ticket ultimately
and they can be as flexible as they want to be, and they have the
option of treating everything on a case-by-case basis that we as
agents do not always have.
Best regards,
Oscar
