Patent attributes
In an embodiment, a data processing method comprises, using a merchant booking computer, associating a reservation record with a location identifier, wherein the reservation record comprises a user identifier; using a service provider computer system, matching a transaction ticket stored in a point-of-sale (POS) computer of a merchant to the location identifier of the reservation record, based upon obtaining one or more POS data values from the POS computer, and obtaining ticket data specifying one or more items in the transaction ticket; based upon the user identifier and a user account that associates the user identifier with a mobile computing device identifier, communicating the ticket data to a mobile computing device; receiving, from the mobile computing device, a request to pay a payment amount based upon the ticket data; requesting a payment gateway computer to initiate a payment transaction in which user payment account data associated with the user account identified as payer and in which a merchant account associated with the merchant is identified as beneficiary.