You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from DTW to DEN?

ASSISTANT: Sure, can I know the trip dates please?

USER: I would like to depart on Nov 4th and return on Nov 6th.

ASSISTANT: Do you have any requirements?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Donna Thompson.

ASSISTANT: There is a connecting flight in Southwest airline, can I book it?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket has been booked with flight number 1000.

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

ASSISTANT: Thank you for approaching us.