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

ASSISTANT: Hello, how can I help you?

USER: I need to visit Lyndon Baines Johnson library at Austin, TX - AUS. Can you book me a flight ticket within 200?

ASSISTANT: Sure, when are you planning to travel?

USER: On 07/17, I will fly and return on 07/19.

ASSISTANT: Please provide your origin airport code.

USER: I would like to board from MN - MSP, Minneapolis & St. Paul.

ASSISTANT: Please provide your specifications.

USER: I am looking for a connecting flight.

ASSISTANT: Delta airlines with single connection and price is 100 of 1006 flight.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.