You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Elizabeth Green, I would like to reserve a plane ticket from 11/29 to 12/01. Can you please help me out?

ASSISTANT: Sure, could you please help me with your airports codes of journey?

USER: Sure, my airport code are from LAX to DFW.

ASSISTANT: Please hold on for a moment.

USER: I always prefer to travel in a flight with 1 connection, please check accordingly.

ASSISTANT: Sure. Sorry, there is no flight found as per your travelling details.

USER: It's ok, thank you for the information.

ASSISTANT: You are welcome.