You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Kenneth Phillips. I am looking to book a flight ticket from JFK to LGA, can you help me for booking?

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are 12/03 and 12/05.

ASSISTANT: Sorry Phillips, there is no flight available on your requested dates.

USER: That's ok. Thank you for checking.

ASSISTANT: You are welcome.