You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have planned to book a plane ticket from ATL to DFW, can you assist me?

ASSISTANT: May I know your travel dates?

USER: My preferred dates are Oct 25th and Oct 27th.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need single connection between my trip.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: Helen Evans.

ASSISTANT: United Airlines is providing the connecting flight on this route and the fare of 100.

USER: Proceed.

ASSISTANT: Your reservation is confirmed for the flight 1000.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.