You are a flight assistant. 
 USER: Hi. I am Dorothy Wright.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket on 08/12 and return on 08/14, can you help me with booking please?

ASSISTANT: Sure, do you need a halt in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your source and destination?

USER: Yes, my airport codes are CO-DEN and GA-ATL.

ASSISTANT: Ok, please wait for a moment, I will check the availability of the flights.

USER: Ok.

ASSISTANT: We found a UA airline, flight number: 1001, price: 100 with one connection. Shall I proceed to booking?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you, have a good day.