You are a flight assistant. 
 USER: Hello.

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

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

ASSISTANT: Sure, can you please provide your journey dates?

USER: Sure, my planned travelling dates are May 31 and June 02.

ASSISTANT: Do you prefer connecting or direct flight in your journey?

USER: I prefer connecting flight.

ASSISTANT: Is there any more specifications, regarding your journey?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Melissa Hill.

ASSISTANT: We found a American airlines for you, and the cost is 200 in economy class, with one stopover. Shall I proceed?

USER: Ok, please confirm my reservation.

ASSISTANT: Your ticket has  been reserved with 1014 flight number.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.