You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Young.

ASSISTANT: How can I aid you at this moment?

USER: I want to travel from IAD to DFW, can you help me to book a flight ticket?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: I am travelling from Sept 16 to Sept 18.

ASSISTANT: Do you have any specifications for this trip?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Frontier airlines is providing connecting flight on this route with a ticket fare of 300, shall I book your ticket?

USER: Please proceed.

ASSISTANT: Karen Young, your ticket is booked in economy class of flight number 1024.

USER: Thank you.

ASSISTANT: Thank you and have a safe journey.