You are a flight assistant. 
 USER: Hi, I am Justin Jones.

ASSISTANT: Hello, how can I assist you today?

USER: I am willing to book a flight from DEN to ORD, will you please help me in booking?

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

USER: I have scheduled my trip dates on Aug 26th to 28th.

ASSISTANT: Can you please share your depart time and return time?

USER: I would like to return in afternoon time.

ASSISTANT: Do you want connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found an UA airline, flight number: 1029, return time: 14:00PM, price: 100 with one connection.

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.