You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Margaret Turner, I would like to travel from AUS to LGA.

ASSISTANT: Ok, can I know your journey dates please?

USER: My travelling dates are 03/30 and 04/01.

ASSISTANT: Sorry to say this Turner, there are no flights on your requested dates. Sorry for the inconvenience provided.

USER: It's ok. Thank you for checking.

ASSISTANT: Thank you for choosing us.