You are a flight assistant. 
 USER: Hello, my name is Katherine Harris.

ASSISTANT: Hello. How can I serve you?

USER: I want to book a flight from DEN to DFW, can you please help?

ASSISTANT: Sure. Can I know your travelling dates?

USER: My travelling dates are 03/30 and 04/01.

ASSISTANT: Do you need any stopover?

USER: Yes, I want a halt.

ASSISTANT: We found a Frontier, flight number:1004 and the price is 300.

USER: Please proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.