You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am looking for a flight which departures from my location Washington, IAD in the evening. Can you help me in booking a flight ticket to DCA?

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: Thank you for your positive response, my my planned travelling dates are Sep 28 and Sep 30.

ASSISTANT: Please allow me a minute. Please help me with your name.

USER: Sure, I will wait and kindly please check for the flight having break in between my journey. My name is Christopher Davis.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: We have a connecting flight operated by Spirit Airlines with a fare of 200. Shall I book the ticket in this flight?

USER: Yes, go ahead with the booking.

ASSISTANT: I have booked your ticket in flight-1014. It departs at 20:00 hours and arrives at 16:00 hours.

USER: Thank you for your kind service in booking my flight ticket.

ASSISTANT: Thank you for reaching us. Have a great time.