You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Emily Harris and I need to book a direct flight from JFK, so please help me.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned dates are on May 9th to 11th.

ASSISTANT: May I know your respective destination airport code?

USER: My landing airport code is AUS.

ASSISTANT: Sorry, there are no flights available for your desired dates.

USER: No worries, thank you.

ASSISTANT: Thank you for reaching us.