You are a flight assistant. 
 USER: Hello. Susan Brown here.

ASSISTANT: Hello, how may I help you?

USER: I would like to go to shopping in pike place market at Seattle, SEA. which is famous for winter wear. So, could you please help me with booking a connecting flight?

ASSISTANT: OK. Help me with your travel dates?

USER: Sure, I will go on 09/19 and return back on 09/21.

ASSISTANT: I need your source airport code?

USER: It's MSP.

ASSISTANT: Spirit airline is available with a fare of 100, shall I proceed to this flight?

USER: Yes, please.

ASSISTANT: Ok, your booking is confirmed with 1015 flight.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us, have a nice day.