You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please check is there any flight available between PHL to CLT?

ASSISTANT: Sure, can you help me with your travelling dates?

USER: Thank you, my departure is on Feb 16 and please book my return ticket also on Feb 18.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight for my journey.

ASSISTANT: May I know your name?

USER: Sure, my name is Thomas Lopez.

ASSISTANT: Sorry to say, no flight is available for you as per your requests.

USER: Oh! Sad to hear that. Anyway, I will find another alternative.

ASSISTANT: Thank you for reaching us.

USER: Thank you for checking.