You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: I am Joseph King and I want to book a flight ticket with one connection. Can you help me ?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates would be on 05/16 to 05/18.

ASSISTANT: Ok, may I now your airport codes?

USER: My source is PA-PHL and my destination is FL-MCO.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry there is no flight found on your connection details.

USER: Ok, no problem.

ASSISTANT: Thanks for connecting with us.

USER: Thanks for your support.

ASSISTANT: Have a nice day.