You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight ticket from DEN to DFW?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My journey dates are Sept 02 and Sept 04.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Jeffrey Collins.

ASSISTANT: We found an airline: American Airlines, flight number: 1013 and price is 200.

USER: Please proceed with my booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.