You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Young. Can you help me in booking a flight ticket from AUS to JFK?

ASSISTANT: Sure, could you please provide your travelling dates?

USER: Oct, 15 and Oct, 17 are my travelling dates.

ASSISTANT: Ok, may I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a connecting flight and my return time should be at afternoon.

ASSISTANT: Ok, do you need any stop over in between the journey?

USER: I already mentioned above.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: It's ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.