You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me to book a flight ticket from CLT to LGA?

ASSISTANT: Sure, let me know your travelling dates.

USER: My travelling dates are 12 to 14 of Feb.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Rachel Walker.

ASSISTANT: We found a Southwest airline, flight number: 1023, price: 200 with one connection.

USER: Please proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.