You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Betty Robinson. I would like to book a flight ticket from Denver to attend a meeting in Chicago. Could you please help me in booking?

ASSISTANT: Sure, may I know your price limit?

USER: I can spend up to 200.

ASSISTANT: Can you please help me with your journey points?

USER: My journey points are CO-DEN and IL-ORD.

ASSISTANT: On what dates would you like to travel?

USER: I would like to travel on 08/20 and arrival on 08/22.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a flight with Spirit airlines, but it is a direct flight. Shall I proceed to booking?

USER: Do not proceed. I need connecting flight.

ASSISTANT: Ok, your booking has been terminated.

USER: Thank you.

ASSISTANT: Thank you for reaching us.