You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samantha Williams.

ASSISTANT: How can I serve you?

USER: I need to attend my seminar in Austin, AUS. So, can you help me in booking a ticket with a connecting flight?

ASSISTANT: Sure. Help me with your source code.

USER: Thank you. New York, JFK is my origin.

ASSISTANT: Let me know your journey dates.

USER: 07/15-07/17 are the travel dates.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no connecting flight available.

USER: No problem. Thank you.

ASSISTANT: Thank you for availing us.