You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Angela Mitchell. Can you help me in booking from AUS to LGA, as there is a sports meet to attend at New York?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My trip dates are 02/21 to 02/23.

ASSISTANT: Just hold on a moment, I will check flight availability in this route.

USER: Sure.

ASSISTANT: Sorry to say, no flights were found on your route.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.