You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Margaret Thompson. I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from DFW to ORD?

ASSISTANT: May I know your desired travel dates please?

USER: I would like to take off on 03/16 and return on 03/18.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked, flight number 1008.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for opting us.