You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jeffrey Collins.

ASSISTANT: How can I aid you at this moment?

USER: I am looking for a flight from CLT to PHL, can you help me out?

ASSISTANT: Sure, I am here to help you. When you are planning to travel?

USER: My trip dates are from Jul 22nd till Jul 24th.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Sorry to say that, there are no flight's available based on your travelling dates.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.