Which is Best option between Flink or Flink Stateful Functions or Akka FSM for State Use-cases?

[Rohit R]

Hello all,

To solve the following use case, What will be the Best option between Flink
or Flink Stateful Functions or Akka FSM?

Use Case:

![SimpleBookingStateExample][https://i.stack.imgur.com/BMDFP.png]

Can I get the analysis, pros, and cons of each? For example, why choosing
Flink Stateful function will better option.

Thank You