You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may i support you?

USER: I am Scott Young. I want to book a flight ticket from NY - LGA to DC - DCA to celebrate Flower festival in Washington.

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start on 09/25, return on 09/27.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is a flight found with number 1019, Frontier as airline.

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.