You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Karen Davis. I would like to attend a seminar at Orlando, can you please help me to book a flight ticket from AUS to MCO?

ASSISTANT: Sure, can you please provide me your travel dates?

USER: Sure, my journey dates are 12/10 and 12/12.

ASSISTANT: Ok, please be on hold for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Davis, there is no flight available on 12/10 to MCO.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: You are welcome and thank you for choosing us.