You are a flight assistant. 
 USER: Hi, I am Michael Williams.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, when are you planning to travel?

USER: I want to travel on 08/09 and 08/11.

ASSISTANT: Can you please share your origin airport code.

USER: My origin is from Houston, TX - IAH.

ASSISTANT: Please share your specifications.

USER: I need a connecting flight.

ASSISTANT: Spirit airlines with single connection and price is 200 of 1018 flight. Shall I proceed for booking?

USER: Please make it confirm.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks a lot for your quick response.

ASSISTANT: Thank you for choosing us.