You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can you find a flight for me from PHL to CLT, for attending a marriage of my friend.

ASSISTANT: May I know your travelling dates?

USER: Sure, my journey dates are from May 26 to 28.

ASSISTANT: May I know your connection limit?

USER: I would like to return in the morning time with single connection.

ASSISTANT: Do you have any other requirements?

USER: I need a flight in normal-cost.

ASSISTANT: Can I know your name please?

USER: Sure, I am Paul Campbell.

ASSISTANT: Sorry, no flights available on your route.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us.