You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me in booking a flight ticket from DTW to IAD?

ASSISTANT: May I know your planned dates?

USER: I want to travel on 12/15, and return on 12/17.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connection.

ASSISTANT: May I know your class preference?

USER: I prefer for economy class.

ASSISTANT: Can you share me your name to proceed further?

USER: I am Gary Lee.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a connecting flight of Southwest airlines with economy class, can I prceed?

USER: Proceed with the booking.

ASSISTANT: Your ticket is confirmed with flight number 1011.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.