You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Wright.

ASSISTANT: How can I help you?

USER: I am planning to go Charlotte to visit my own church, please help me with that. I want to travel on 12/25 and 12/27.

ASSISTANT: May I know your travelling dates? Ok. May I know your travelling codes?

USER: My airport codes of source and destination point are DEN and CLT.

ASSISTANT: Here is a flight with connection limit 1 and price 200.

USER: Can you help me with a direct flight, please?

ASSISTANT: Sorry no flight found on direct connection.

USER: That's ok, thank you for searching.

ASSISTANT: Thank you for reaching us.