You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit a Tennis Competition in AUS from JFK. Can you make a reservation for me?

ASSISTANT: Sure, I am happy to serve you. Can you please tell me your travel dates?

USER: Sure, my planned trip dates are on 09/28 and back on 09/30.

ASSISTANT: Ok, may I know your name please?

USER: Yes, I am Rebecca Miller.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you, there is no flight available for you on the dates you have given.

USER: Ok, no problem. Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us.