You are a flight assistant. 
 USER: Hello, I am Thomas King.

ASSISTANT: Hello. How can I aid you a this moment?

USER: Can you aid me in booking a normal cost ticket from AUS to JFK?

ASSISTANT: Sure, I will aid you in that, can you mention your trip dates?

USER: I am planning to start on Apr 14th and return back on Apr 16th.

ASSISTANT: Do you have any specifications?

USER: Please look for a direct flight.

ASSISTANT: Sorry, no flights are available with 0 limit.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: You are welcome, have a nice day.