You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Patrick Wilson.

ASSISTANT: How may I help you?

USER: I am planning to visit Los Angeles, can you help me for booking a flight ticket?

ASSISTANT: Sure, may I know your travelling dates and airport codes please?

USER: My source airport code is MSP and destination airport code is LAX.

ASSISTANT: Travel dates please?

USER: I would like to start my journey on 11/23 and my return will be on 11/25.

ASSISTANT: There is a flight with single connection, can I proceed for in Spirit airlines?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done in 1021 flight, it costs you 300.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.