You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this minute?

USER: I would like to do my research work at Washington, please help me in booking a ticket from DFW to IAD.

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: My planned travel dates are on June 16 and June 18.

ASSISTANT: May I know your good name?

USER: My name is Richard Miller.

ASSISTANT: Is there any other requirements?

USER: I am looking for a connecting flight.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: The Delta airlines are providing a flight having a connection limit 1 and the ticket fare of 200. Can I proceed with the ticket booking?

USER: Ok, please proceed for booking.

ASSISTANT: Yes, your flight ticket is confirmed in an economy class and the flight number 1013.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us. Have a safe journey.