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 Welcome to CSIE Train Booking System 
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Please select the shift you want to book [902001-902005]: 
Booking info
|- Shift ID: 902003
|- Chose seat(s): 
|- Paid: 

Select the seat [1-40] or type "pay" to confirm: 
Booking info
|- Shift ID: 902003
|- Chose seat(s): 7
|- Paid: 

Select the seat [1-40] or type "pay" to confirm: 
Booking info
|- Shift ID: 902003
|- Chose seat(s): 6,7
|- Paid: 

Select the seat [1-40] or type "pay" to confirm: >>> Your train booking is successful.

Booking info
|- Shift ID: 902003
|- Chose seat(s): 
|- Paid: 6,7

Type "seat" to continue or "exit" to quit [seat/exit]: 
Booking info
|- Shift ID: 902003
|- Chose seat(s): 
|- Paid: 6,7

Select the seat [1-40] or type "pay" to confirm: 
Booking info
|- Shift ID: 902003
|- Chose seat(s): 4
|- Paid: 6,7

Select the seat [1-40] or type "pay" to confirm: 
Booking info
|- Shift ID: 902003
|- Chose seat(s): 3,4
|- Paid: 6,7

Select the seat [1-40] or type "pay" to confirm: >>> Your train booking is successful.

Booking info
|- Shift ID: 902003
|- Chose seat(s): 
|- Paid: 3,4,6,7

Type "seat" to continue or "exit" to quit [seat/exit]: >>> Client exit.