All Tickets are not guaranteed until ticketed. The fare may change as revised by the Airline company or dealer anytime even after the confirmation of a reservation. Flight Zapp will inform you about the fare changes if made without assuming any responsibility - financial or otherwise for any such fare changes made by the supplier.
Flight Zapp will inform you about the new fare. And at that point of time you may – depending on your requirement - either purchase or cancel the product or service at the new cost. You can cancel the booking at no cost in case there is an increase in fare before ticketing and your card being charged. You will be charged nothing if you cancel such a booking.