You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Sarah Brown. I would like to travel from AUS to DFW for workshop in Fort Worth.

ASSISTANT: May I know your travelling dates?

USER: My travel dates are 02/28 and return on 03/01.

ASSISTANT: Sorry, there is no flight available at your request.

USER: That's ok, thanks for your help.

ASSISTANT: Thank you for reaching us.