You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am John Lopez. I am planning to attend a Music Festival in Austin TX - AUS, could you help me in booking a flight ticket from Denver CO - DEN?

ASSISTANT: Sure, let me know your travelling dates?

USER: I would like to fly on 02/19 and return on 02/21.

ASSISTANT: Please provide your specifications.

USER: I need a halt in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Jet Blue airlines with single connection and price is 200 of 1027 flight. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.