You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want a direct flight on the route from DFW-AUS, can you please help me?

ASSISTANT: Sure, can you please provide me your trip dates?

USER: I will be travelling from 03/27 to 03/29.

ASSISTANT: May I know your name please?

USER: Charles Moore is my name.

ASSISTANT: Moore, please wait for a while.

USER: Ok, please be quick with checking.

ASSISTANT: Sorry Moore, I have not found any flight on your preferred dates.

USER: Ok, not an issue. Anyways, thank you for checking.

ASSISTANT: Thank you for contacting us and have a nice day.

USER: Most welcome.