You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a ticket from LAS to AUS to attend seminar, can you help me in booking?

ASSISTANT: Sure. I can help you. Can I know your name?

USER: My name is Susan Gonzalez.

ASSISTANT: Thank you, please let me know your travel dates.

USER: I am departing on Mar 17 and return on Mar 19.

ASSISTANT: Thank you. Let me check for the available flights.

USER: I prefer a connecting flight.

ASSISTANT: Sorry, there is no flight available as per your requirements.

USER: That's ok, thank you for your information.

ASSISTANT: You are most welcome.