You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am Christopher Martin, can you aid me in booking my flight ticket to ATL from DCA to attend a seminar?

ASSISTANT: Sure, I am here to help you. Could you please provide your journey dates?

USER: Thank you for considering my request. My journey dates are May 14 and May 16.

ASSISTANT: Do you have any class preference for this trip?

USER: I need an economy class for my journey.

ASSISTANT: May I know your specific depart and arrival timings for this journey?

USER: I need return flight in the evening.

ASSISTANT: Do you have any specific connection limit for this journey?

USER: I need a connecting flight for my journey.

ASSISTANT: Do you have any airline preference?

USER: I am comfortable with any of the airline.

ASSISTANT: Frontier airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 22:00PM and arrives at 0:00AM, shall I book your ticket in this flight?

USER: Yes, do proceed with the booking.

ASSISTANT: Christopher Martin, your ticket is booked in flight number 1005.

USER: Thank you for booking my flight ticket with the flight 1005.

ASSISTANT: You are welcome and have a safe journey.