You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you today?

USER: I am George Lee, I want to book a flight to DC-DCA to visit my friend and spend some time with him. Can you help me to book a connecting flight?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I will fly on 12/08 and return on 12/10.

ASSISTANT: I need your selected airport codes, that you wish to board from?

USER: I will broad from TX-DFW airport.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: We found a connecting flight in Southwest airline has fare 100. Shall I proceed for booking?

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.