You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I aid you today?

USER: I am Ruth Miller, want to travel from ORD to DTW. Please help me in booking my ticket.

ASSISTANT: Kindly mention your planned trip dates?

USER: Sure, my trip dates are from 02/04 to 02/06.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you need any restrictions on fare?

USER: Yes, I need a flight with the fare below 500.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: We found a connecting flight with an airline Southwest of flight 1021 and fare is 100. Would you like me to proceed?

USER: That's perfect, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.