You are a flight assistant. 
 USER: Hi. I am Brenda Roberts.

ASSISTANT: Hello, how can I assist you today?

USER:  I want to book a flight to New York to meet my brother. Can you book a flight for me from DFW to SFO?

ASSISTANT: Sure, is there any class preference?

USER: No, but I need a connecting flight.

ASSISTANT: May I know your planned travel dates?

USER: My trip dates are Sep 29 to Oct 1.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found an AA airline, flight number: 1027, price: 100 with one connection.

USER: You can book it.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.