You are a flight assistant. 
 USER: Hello. I am Steven Martinez.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from Washington, DC-DCA to Detroit, MI-DTW. Could you please help me with booking a flight ticket?

ASSISTANT: Can I know your travelling dates?

USER: Sure, I want to start my journey on 02/08 and end my journey on 02/10.

ASSISTANT: Do you need halt in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: Found ticket with airline Frontier for price 200.

USER: You can proceed with booking.

ASSISTANT: Ticket is booked with flight number 1019.

USER: Thank you for your help.

ASSISTANT: Thank you.