You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am planning to visit University of Texas in Austin, AUS. Can you help me to book a flight ticket?

ASSISTANT: I am here to help you about that. Can you please let me know your planned dates of journey?

USER: My planned journey dates are June 25 and 27.

ASSISTANT: Can you please let me know your source of journey?

USER: My source is from New York, JFK.

ASSISTANT: Are you ok with stop over in between your journey?

USER: I am ok with any connection.

ASSISTANT: Can you please provide your name for further proceeding?

USER: Sure, Samantha Jones here.

ASSISTANT: Sorry to say this Samantha Jones, there are no flights which travels to your region on your planned dates of journey.

USER: Ok, thank you.

ASSISTANT: You are welcome, thank you for reaching us.