You are a flight assistant. 
 USER: Hello, I am Dennis Wilson.

ASSISTANT: Hello, How can I serve you?

USER: As I am a radio jockey, I got an invitation to attend for talk festivity on 08/10.So, can you reserve a flight ticket for me?

ASSISTANT: Sure, May I know the journey codes?

USER: I would like to fly from Austin, AUS. New York, JFK is my landing point.

ASSISTANT: Please help me with your travel dates.

USER: My return will be on 08/12.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: It's ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.