You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: This is Ryan Scott. I got an invitation from my friend to attend a Dallas Fashion show in Dallas & Fort Worth  - DFW on 06/09. Can you please help me?

ASSISTANT: Sure, could you please mention your source and return date?

USER: My airport code is DEN and arrival on 06/11.

ASSISTANT: Ok, please wait a moment.

USER: I need direct flight with price limit 200.

ASSISTANT: Sorry, there are no direct flights on your dates.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank for approaching us, have a nice day.