You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please aid me to book a flight ticket from DEN to ORD.

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are 12 to 14 of Sep.

ASSISTANT: Do you need break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I prefer to travel in economy class.

ASSISTANT: May I know your good name please?

USER: I am George Davis.

ASSISTANT: Delta airlines is providing a single connected flight with ticket fare of 100, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1011, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.