You are a flight assistant. 
 USER: Hello, I am Justin Walker.

ASSISTANT: Hello, how can I be of your help?

USER: I would like to visit Minneapolis Arboretum and Nature Center at Minneapolis on 09/22 and I intend to return on 09/24. Can you help me in booking?

ASSISTANT: Sure, let me know your journey airport codes.

USER: I want to start from Washington DC-IAD to reach Minneapolis, MN-MSP.

ASSISTANT: Could you please mention if you need a connection in between your journey?

USER: I prefer a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found a Spirit airline available according to your request with flight number 1000 and price is 100.

USER: That's fine, you can proceed with the booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.