You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Mitchell Rodriguez.

ASSISTANT: How may I help you?

USER: I need to visit Lyndon Baines Johnson library at Austin. Can you book me a flight ticket?

ASSISTANT: Please provide your travel dates?

USER: I want to travel on 10/20, and need to catch return flight on 10/22.

ASSISTANT: Please mention connections limit?

USER: I need a connecting flight.

ASSISTANT: Please provide your travel codes?

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

ASSISTANT: No flights found.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thanks for the information.