You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need a flight ticket booking from MCO to AUS to attend a wedding event, can you please assist me with flight ticket reservation?

ASSISTANT: Sure, may I know your travel dates?

USER: Thank you and I would like to take off on Jan 1 and I will arrive back on Jan 3.

ASSISTANT: Please share me your name.

USER: Sure, I am Dennis Campbell.

ASSISTANT: Sorry, there is no flight at this moment.

USER: Sad to hear that one from your end, I can prefer any other source. Thank you for your information.

ASSISTANT: Thank you.

USER: Welcome.