### Instruction:

Extract the cause and effect entities from the following sentence:
If the user hasn’t selected a home airport, the first step is that the application asks the user which Airport should be used for searching flights

### Assistant:

CAUSE_1: the user hasn’t selected a home airport
EFFECT_1: the application asks the user which Airport should be used for searching flights
KEYWORD: If
NOT_RELEVANT: the first step is that
VARIABLE: the application
NEGATION: hasn’t
CONDITION: asks the user which Airport should be used for searching flights

