You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Dennis Hernandez.

ASSISTANT: Nice to meet you Dennis.

USER: I am planning to travel from JFK to MCO, can you help me in booking a ticket?

ASSISTANT: Sure, can I know your travelling dates please?

USER: My planning dates are from 10/09 to 10/11.

ASSISTANT: Sorry Dennis, there is no flight available as per your requested dates.

USER: It's ok, I will plan this trip on some other dates. Anyway, thank you for your help.

ASSISTANT: You are welcome.