You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me to book flight ticket from MSP to AUS?

ASSISTANT: May I know your travelling dates?

USER: My trip dates are Feb 22 and Feb 24.

ASSISTANT: Is there any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Any other preferences?

USER: No, thank you for asking.

ASSISTANT: May I know your name?

USER: Nicholas Martinez here.

ASSISTANT: Sorry, there are no flights found with your data.

USER: It's ok, thank you.

ASSISTANT: Thank you.