You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Benjamin Smith. I want to book a flight ticket from DC - IAD to TX - DFW, could you help me in booking a flight ticket?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I want to fly on 12/03 and return on 12/05.

ASSISTANT: Do you need any break?

USER: Yes, I need a halt.

ASSISTANT: We found a JetBlue airline, flight number:1001 and the price is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.