You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Donna Anderson here. I would like to book a ticket from DTW to DEN, can you please help me with that?

ASSISTANT: May I know your desired travel dates please?

USER: The travel dates are from 12/02 to 12/04.

ASSISTANT: Please wait a while, I will check and inform you.

USER: Ok.

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

USER: Please proceed with that.

ASSISTANT: Your ticket is booked, flight number 1000.

USER: Thank you.

ASSISTANT: Thank you for opting us.