You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I am Barbara Carter, I want to exhibit my arts in an exhibition at Washington, DC- DCA. Help me with booking the flight ticket?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: I prefer to travel on 04/21. And I intend to return on 04/23.

ASSISTANT: Please help me with code of the airport where you want to start.

USER: I want to start from MN - MSP, Minnealpolis & St. Paul.

ASSISTANT: Please provide your specifications.

USER: I am looking for a connecting flight.

ASSISTANT: Thanks for waiting. We found southwest airlines with single connection and price is 100 of 1006 flight. Shall I proceed for booking?

USER: I am comfortable with that airline, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.