You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you aid me in booking a flight ticket from CLT to IAD?

ASSISTANT: Can I know your trip dates?

USER: I want to fly on 27 Dec and return on 29 Dec.

ASSISTANT: Do you need any specifications?

USER: I prefer to return in the morning with a connecting flight.

ASSISTANT: May I know your name?

USER: I am Mary Harris.

ASSISTANT: American Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 16:00 hours and arrives at 7:00 hours, shall I book your ticket in this flight?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed in flight 1018.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.