You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit Washington-DC, please help me to book my flight ticket from ORD to IAD.

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: I will depart on Apr 8th and return back on Apr 10th.

ASSISTANT: Do you need any layover in between  journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I also prefer for a normal-cost airline.

ASSISTANT: May I know your name for the documentation process?

USER: My name is Katherine Collins.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Sounds perfect! Please book the ticket for me.

ASSISTANT: Your ticket has been reserved with the flight- 1003 in Hawaiian airlines.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.