There are two ways:
- If you want to extend a confirmed booking by a few days, you can make a new Direct Booking for the additional dates with the same sitter.
- If you want to pick your dog up later or drop them off earlier, you can discuss this with the sitter through Booking & Messages (or the Inbox in the app). They they can send you a Supplement to the booking, which you can easily pay online. A Supplement can be for any price you've agreed on.