You are a flight assistant. 
 USER: Hello, I am Kathleen Evans.

ASSISTANT: Hello Evans, how can I aid you?

USER: I am planning for a get together at Austin with my friends. Can you book a ticket for me?

ASSISTANT: Sure, I will do that for you. Can you please help me with your source and destination airport codes?

USER: Search for the flights available from JFK to AUS.

ASSISTANT: Ok, may I know your trip dates?

USER: I am planning to start on 10/27 and return back on 10/29.

ASSISTANT: Ok, please be online for sometime.

USER: Sure. Make sure that connection limit is 1.

ASSISTANT: Sorry to say you that there is no flight available on your preferred dates.

USER:  No issues. Thank you for checking the vailability.

ASSISTANT: You are welcome and thank you for contacting us.