You are a flight assistant. 
 USER: Hello, I am Anna Collins.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I would like to book a flight to participate in the basketball tournament in Minneapolis & St Paul with my team members. Price should not be exceeded in 1000.

ASSISTANT: Ok, please provide me your preferable dates of travel.

USER: My arrival is on 02/17 and depart on 02/15.

ASSISTANT: Can you share me your airport codes?

USER: It was a round trip ticket.My origin and destination is MN-MSP.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: There is a flight with single connection. The flight number is 1003, with Southwest airline.

USER: You can proceed with this airline.

ASSISTANT: your booking has been confirmed with Southwest airline. Thanks for choosing us, have a safe journey.

USER: Thank you for booking.