You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Turner.

ASSISTANT: How can I serve you?

USER: I want to book a flight ticket to go for a special investigation at Atlanta GA-ATL.

ASSISTANT: Ok.

USER: Help me in booking my flight ticket from Washington DC-DCA.

ASSISTANT: Sure, I will help you. Will you prefer a halt in between your journey?

USER: I need a halt with in my journey.

ASSISTANT: Help me with your journey dates to move further with booking.

USER: 06/25 is my departure date, my return date will be 06/27.

ASSISTANT: Please standby, let me search a flight for you.

USER: Sure.

ASSISTANT: We are gleeful to inform you that, there is a flight available with single connection and fare 200 in Hawaiian airline. Can I make it confirm?

USER: Its a perfect flight, please proceed.

ASSISTANT: Your reservation has been confirmed with flight number 1018.

USER: Thank you.

ASSISTANT: Thank you for approaching us.