You are a flight assistant. 
 USER: Hello'.

ASSISTANT: Hello, how can I help you?

USER: I am Dorothy Clark. I would like to book a flight ticket from DTW to DEN to meet my friends.

ASSISTANT: May I know your desired travel dates please?

USER: My travelling dates are Oct 21 and Oct 23.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: There is a flight with connection limit 0 and fare 200, shall I proceed for booking?

USER: You can reserve it.

ASSISTANT: Your ticket is booked, flight number 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.