bookings: shorten Sequoia cabin to Sep 24-26

Host approved the date-change request the same morning with no
cancellation fee. Total drops from US$771.16 to US$542.73; a US$228.43
refund is pending on the card. Update the itinerary, expense ledger and
settlement, mark Sep 26 as checkout day, and save the Booking.com chat
and modification confirmation as sources.

la_stay_options.md

@@ -7,7 +7,7 @@
 **Guests:** 4 adults (2 couples) → 2 separate bedrooms
 **Car:** the same rental continues through Las Vegas and returns at SFO on Oct 4 → **on-site parking is a hard requirement**
 
-> **Arrival is late.** Gilmore checkout is 11 AM Sep 27 and the drive from Miramonte is ~4.5–5 hrs, so the group lands in LA Sunday late afternoon. Real sightseeing days are **Mon Sep 28 and Tue Sep 29** — pick a base that keeps those two days short on driving.
+> **Arrival is late.** *(Superseded: Gilmore checkout moved to Sep 26 on Sep 16 and DTLA now runs Sep 26–30.)* Gilmore checkout was 11 AM Sep 27 and the drive from Miramonte is ~4.5–5 hrs, so the group lands in LA Sunday late afternoon. Real sightseeing days are **Mon Sep 28 and Tue Sep 29** — pick a base that keeps those two days short on driving.
 >
 > **Monday caveat:** several LA venues close Mondays — the Getty Center, The Broad and the Griffith Observatory building are the ones to verify before planning Sep 28.