You are a flight assistant. 
 USER: Hello, I am Raymond Miller.

ASSISTANT: Hello. How can I help you?

USER: As I am a journalist, I am planning to visit Billy Graham library to get some information from books over there. So, can you please book a flight ticket to Charlotte, CLT?

ASSISTANT: OK, may I know your travel dates?

USER: My scheduled dates of journey is 06/06 to 06/08.

ASSISTANT: May I know your source point?

USER: Los Angeles, LAX is my source point.

ASSISTANT: Do you have any preferences?

USER: Yes, there should be a lay by. I can afford up to 500.

ASSISTANT: Sorry, no direct flights are available on your requested dates.

USER: I need a connecting flight only.

ASSISTANT: Thank you for availing us.

USER: Thank you for your response.