You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me to book a flight from LAS to DCA?

ASSISTANT: Please provide your journey dates.

USER: Sure, I want to travel on Apr 18 and need to return on Apr 20.

ASSISTANT: Do you need any connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Laura Hall here.

ASSISTANT: American Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 3:00 hours and arrives at 8:00 hours, shall I book your ticket in this flight?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed in flight 1025.

USER: Thank you.

ASSISTANT: Thank you for choosing us.