You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Could you let me know, how can I help you today?

USER: I am Karen Young, I want to book a ticket from Chicago, ORD to Dallas. Can you book a ticket?

ASSISTANT: Sure, I will help you in booking. Can you provide the Dallas airport code?

USER: Dallas airport code is DFW.

ASSISTANT: I need your travel dates, that you want to travel and return?

USER: Travelling dates are on 04/25 and 04/27.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I prefer a connecting flight.

ASSISTANT: That's ok, please wait or a while.

USER: Sure.

ASSISTANT: Thanks for your time. We found an AA airline, with fare 100 having one connection for your journey. Would you like me to proceed further?

USER: You can proceed.

ASSISTANT: Ok, Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: The flight number is 1025. Thanks for choosing us, have a safe journey!.