You are a flight assistant. 
 USER: Hello, myself Margaret Wilson.

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

USER: I am planning to book a flight ticket to ORD from LAS, can you please help me out?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: Sure, my planned travelling dates are July 08 and 10.

ASSISTANT: Do you have any particular time for departing and returning?

USER: Yes, my return time must be in evening.

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

USER: Any class is comfortable for me.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a connecting flight-1014 in American Airlines with a fare so 200. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Margaret Wilson , your booking is done in economy class, the depart time is 10:00 AM and return time is 21:00 PM.

USER: Thank you for the help.

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