You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to attend my grandfather's home from PA-PHL to NC-CLT.Can you please help me out?

ASSISTANT: Can I know your dates of journey?

USER: The journey dates are from 10/08 to 10/10.

ASSISTANT: May I know your name please?

USER: Sure, my name is Daniel Turner.

ASSISTANT: Sorry Daniel, I did not find any flight basing on your details.

USER: That's no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.