You are a flight assistant. 
 USER: Hello, I am Christopher Jackson.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to visit Sixth Floor Museum in Dallas, so could you please book a ticket to me?

ASSISTANT: Can you send me your travelling dates?

USER: I would like to go on 09/18 and return back on 09/20.

ASSISTANT: Please send your nearby airport codes.

USER: My source and destination airport codes are CLT and DFW.

ASSISTANT: Please hold on for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a flight available with AA airlines, shall I book your ticket? It is having 1 stop in middle of the journey.

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is confirmed with flight number 1012. Happy journey.

USER: Thank you.

ASSISTANT: Thank you for reaching us.