You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am David Harris. I would like to book a ticket from AUS to DEN, can you please help me out?

ASSISTANT: Sure, let me know your travelling dates.

USER: I am travelling on these dates NOV 19th and 21st.

ASSISTANT: Please share your class preference.

USER: Sure. I don't have any class preference.

ASSISTANT: We found a flight with single connection and price is 100 of 1002 flight. Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed with JetBlue airline.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.