You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I want to travel from AUS to DTW for attending to a business meeting, can you help me to search a flight?

ASSISTANT: Sure. please provide your travel dates, so I can check is there any flight is available or not.

USER: I want to attend a meeting on 08/25 and return back to AUS on 08/27.

ASSISTANT: May I know your name please?

USER: I am Jason Perez.

ASSISTANT: Jason, sorry to say there is no flight.

USER: No issues, thanks for helping.

ASSISTANT: Thanks for reaching us.

USER: Welcome.