You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to book a flight from IAD to reach AUS, will you please help me in booking a flight?

ASSISTANT: Sure, please share your trip dates?

USER: My planned dates are on Jan 7th to 9th.

ASSISTANT: Can I know your good name?

USER: Sure, I am Jacob Thompson.

ASSISTANT: Do you need a connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Thank you for your details, we found a connecting flight 1012 in class economy which is in Spirit airline. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.