You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: I am Richard Rodriguez. I need to schedule my holiday trip at Austin to have a fun at Emma Long Metropolitan Park on 05/03. Can you help me to book a flight ticket?

ASSISTANT: Sure, please help me with your airport codes?

USER: I need to leave from my nearest airport SFO to reach AUS.

ASSISTANT: Ok, let me know your return date?

USER: I want to catch return flight on 05/05.

ASSISTANT: Ok, hold on a moment.

USER: Sure.

ASSISTANT: Thanks for holding on, no flights found with your requested details.

USER: Ok, no issues.

ASSISTANT: Thank you for connecting with us.

USER: Thanks for the information.