You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephanie Carter.

ASSISTANT: Carter, how may I help you?

USER: Can you help me to search a direct flight on 09/09?

ASSISTANT: Sure, please share your origin and destination airport codes.

USER: My airport codes are DFW and AUS.

ASSISTANT: May I know your return journey date? Sorry, no flight is available on your route.

USER: I would like to return on 09/11. Ok, no issues.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.