You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carol Garcia.

ASSISTANT: Carol Garcia, how can I aid you today?

USER: I need to go New York to meet my friend so please help me with flight ticket booking from DFW to LGA.

ASSISTANT: Sure, I am happy to help you.

USER: Ok.

ASSISTANT: May I know your travel dates please?

USER: My trip dates are Mar 12 to Mar 14.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a connecting flight which return in afternoon.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with Southwest Airlines and it costs you 200. Shall I proceed to reserve a seat in this single connecting flight?

USER: You can reserve it.

ASSISTANT: Your ticket has been booked with 1011 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.