You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: I am Rebecca Wright. I would like to book a ticket from ORD to AUS, can you please help me out?

ASSISTANT: Sure, please help me with your connection limit.

USER: I need single connected flight.

ASSISTANT: Ok, may I know your planned journey dates?

USER: I am travelling on these dates Oct 12th and 14th.

ASSISTANT: Is there any class preference?

USER: I don't have any class preference.

ASSISTANT: Ok, Do you have any requirements that you are looking for?

USER: I need a afternoon flight for departure.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there were no flights found based on your requested dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for choosing us.