Lost in London. The Traveling Calvert Sisters, #6

Book 6 in the series but can be read as a standalone!  Lila Calvert is tired. After the airline inadvertently sends one bag to Mumbai and "forgets" to send her backpack to her final destination, Lila is without her phone or any way to access her travel itinerary. Armed only with a hotel voucher from the airline and some basic hygiene products, Lila steps into The Totting Oaks hotel, run by the grumpy and growly David Ogden.
Without knowing what she's doing on any given day or any way to access her planned itinerary, David soon takes her under his wing and explains that part of the fun of travel is getting lost and doing spontaneous things. Soon, Lila's exploring off-the-beaten-path London and falling for the city. But London isn't the only thing she's falling for...