You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me in booking a flight ticket from DEN to DFW?

ASSISTANT: Ok, may I know your trip dates?

USER: I want to travel on 12/06, and return on 12/08.

ASSISTANT: Do you need a direct flight?

USER: No, I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Donna Edwards.

ASSISTANT: Do you have any specifications?

USER: I prefer for economy class.

ASSISTANT: Flight-1017 is available for you with all your requirements. Can I book it?

USER: Proceed with the booking.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thanks for the help.

ASSISTANT: Have a nice day.