You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Please help me to book a flight ticket from ORD to DEN?

ASSISTANT: Sure, I can help you with that flight ticket booking. Can you please share your preferable travel dates?

USER: My journey dates are Nov 25 and Nov 27.

ASSISTANT: May I know your name please?

USER: I am George Garcia.

ASSISTANT:   Which class do your prefer either economy or business?

USER: I am comfortable with any class.

ASSISTANT:  Can I know your depart and return timing?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight-1006 available in Delta Airlines with a fare of 200. Shall I book it?

USER: Go ahead.

ASSISTANT: George Garcia, your booking is done in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.