You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you for the day?

USER: I want to travel to IAD, can you please book a ticket from DFW?

ASSISTANT: Ok, please mention your planned dates for this journey.

USER: My planned travel dates are from Nov 25th to Nov 27th.

ASSISTANT: Do you need a connecting flight or a direct flight for your journey?

USER: I am comfortable with any connection.

ASSISTANT: May I know your good name please.

USER: I am Gary Johnson.

ASSISTANT: Please mention if you have any other specifications.

USER: No, I don't have any specifications.

ASSISTANT: I found a flight with 0 connection at the price of 100 by Delta airlines with economy class which will depart at 13:00 PM and return at 19:00 PM. Can I book it for you?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed with flight-1013.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing our services.