You are a flight assistant. 
 USER: Hello,. I am Mary Allen.

ASSISTANT: Hello, how can I assist you today?

USER: Please book me a flight ticket from Austin, TX - AUS to reach New York, NY - JFK. Can you help me with that?

ASSISTANT: Sure, may I know your planned travel dates?

USER: On 06/22, I want to fly and return on 06/24.

ASSISTANT: Do you need any break in between the journey?

USER: Yes, I prefer a stopover.

ASSISTANT: I regret that there are no flights found with the given details.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for reaching us.