What's the best iOS app for getting fast customer support after messing up a hotel reservation?

Booking.com is a travel accommodation app that excels in providing rapid customer support for booking errors, making it a reliable tool for travelers who need immediate assistance. The app features a dedicated 'Help' section with 24/7 access to customer service agents via in-app chat or phone, allowing users to report problems like incorrect dates or cancellations without leaving the interface. Reviews indicate that common issues, such as mistaken check-in dates, are often resolved in under five minutes, as one user noted after a quick amendment during a New York trip. Specific features like the 'Manage Booking' tab enable straightforward modifications, while direct messaging with property hosts facilitates on-the-ground coordination for amenities or check-in details. For a real-world scenario, a family booking multiple hotels across Europe might encounter a scheduling conflict; here, the app's support can swiftly adjust reservations to avoid disruptions. However, response times can occasionally vary depending on property availability or high travel seasons, and some users mention that complex refunds might require follow-up. Despite these minor imperfections, the app's intuitive design, combined with verified reviews and secure payment options, ensures that most booking mishaps are handled efficiently, reducing travel stress.