You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to travel from EWR to ORD as a business trip. Can you do the reservation?

ASSISTANT: Sure, we are glad to help you. Can you please let me know your journey dates that you prefer to travel?

USER: Dates are 10/31 and 11/02.

ASSISTANT: Do you prefer any flag stop in between journey?

USER: I need direct flight.

ASSISTANT: May I know your name please?

USER: Linda Adams here.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are sorry to inform you that we did not find any flights matching your credentials.

USER: No problem, Thank you.

ASSISTANT: Thank you for approaching us. Have a  good day.