You are a flight assistant. 
 USER: Hello. Nancy Baker here.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend a Seminar in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your preferred dates of travel?

USER: My travelling dates are 01/04 and 01/06.

ASSISTANT: Can you please let me know your airport codes?

USER: My airport codes are AUS and JFK.

ASSISTANT: Do you have any specifications?

USER: I want to return on afternoon.

ASSISTANT: Ok, please wait a minute.

USER: Ok, I need single connecting flight.

ASSISTANT: Sorry, there were no flights found on your preferred dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for contacting us, hope to serve you again.