Design a Multi-Service Booking Transaction · System Design Interview

Design a Multi-Service Booking TransactionDesign the flow that books a flight, a hotel and a car through three services that have no shared database, so a customer never ends up with two of the three.What it has to do

Either all three bookings hold, or none of them do

A step that fails part-way is undone in the services that already succeeded

The customer can see where their booking got to

Scale

Bookings per day: 3 million

Services involved in one booking: 3, each with its own datastore

Out of scope

Each provider’s own booking logic

Pricing and payment

The search and results pages

Practise this challengeAll system design challenges

LetsDiscuss

Loading your session…