You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from DFW to IAD. Can you find a flight ticket for me?

ASSISTANT: Sure, I am here to help you. Can you please help me with your trip dates?

USER: Ok, my planned trip dates are on July 17 and return July 19.

ASSISTANT: May I know your name to proceed further?

USER: Yes, I am Brandon Lee.

ASSISTANT: Do you have any connection limit preference?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Ok, I need a normal cost flight.

ASSISTANT: Here I found a connecting flight with United Airlines and the airfare is about 100. Shall I proceed in booking with flight 1023?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: In an economy class your ticket is reserved and the departure time is 6:00AM and the arrival time is 9:00AM.

USER: Thank you for reaching us. Thank you for your help.

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