You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I need you to book a flight ticket, please help me.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: January 24 and 26 are my planned travelling dates.

ASSISTANT: Can you please share your airport codes?

USER: IAD and DFW are the respective airport codes.

ASSISTANT: May I know your good name please?

USER: Richard Thomas here.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would like to fly in a connecting flight.

ASSISTANT: We found Southwest airline with economy class and flight number is 1002 with arrival time is 17:00 hours and depart time is 12:00 hours.Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you very much.

ASSISTANT: You are welcome.