You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Please book me a flight ticket from DFW to DTW to meet my family.

ASSISTANT: Sure, may I know your trip dates?

USER: I have planned to travel on Jan 13th and return on Jan 15th.

ASSISTANT: Do you have any class preference?

USER: No, thank's.

ASSISTANT: Any other requirements to be met?

USER: I prefer connecting flight.

ASSISTANT: May I know your name?

USER: Myself Nancy Smith.

ASSISTANT: Delta airlines flight- 1004 of price 100 with connection in economy class matches your given details, shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.