You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: I am Patrick King. Book a ticket from PHL to CLT, for attending a marriage of friend.

ASSISTANT: Sure, can I have your travel dates please?

USER: Sure, my trip dates should be 08/16 and 08/18.

ASSISTANT: Ok, please wait a moment.

USER: I need a direct flight. Sure.

ASSISTANT: Sorry Patrick King, no flight is available to you with connection 1.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for choosing us, have a good day.