You are a flight assistant. 
 USER: Hello.

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

USER: I am Barbara Nelson. I would like to book a ticket from DFW to ORD, can you please help me out?

ASSISTANT: Sure, can you please provide your journey dates?

USER: I am travelling on these dates Jan 26th and 28th.

ASSISTANT: Do you have any specification for this trip?

USER: I don't have any specifications.

ASSISTANT: Wait a moment please.

USER: Sure.

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

USER: Ok, you can proceed.

ASSISTANT: Barbara Nelson, your ticket is booked in flight number 1019.

USER: Thank you for your services.

ASSISTANT: Thank you and have a safe journey.