You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER: I need to visit Lyndon Banes Johnson library at Austin. Can you book me a flight ticket with name Ruth Roberts?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: Ok, I want to travel on 05/31 and I intend to return on 06/02.

ASSISTANT: May I know your airport codes?

USER: Airport point for source is Washington and code is DC - DCA. Landing airport code is TX - AUS.

ASSISTANT: Do you have any connection limit?

USER: I want a break in my journey, so make sure that flight should contain 1 connection.

ASSISTANT: Sure, Thank you for your details. A flight with price 100 having single connection is found in Southwest airline. Shall I proceed with booking?

USER: I am very glad to travel with airline Southwest. Confirm my seat.

ASSISTANT: Your ticket is confirmed in flight number 1006.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.