You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rebecca Brown.

ASSISTANT: How can. How can I assist you?

USER: I am planning to go from NY-JFK to TX-AUS.

ASSISTANT: Rebecca, may I know your travelling dates?

USER: These are my travelling dates 09/30 to 10/01.

ASSISTANT: Thank you for your information. Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Rebecca, there is no flight found with your requirements.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a nice day.