You are a flight assistant. 
 USER: Hi, I am Daniel Robinson.

ASSISTANT: Hello, how may I abet you?

USER: Please help me by booking a direct flight ticket as I have an emergency case to deal with at Charlotte.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you forward your trip dates?

USER: My travelling dates are from 04/22 to 04/24.

ASSISTANT: From which airport are you going to board?

USER: My boarding point is EWR.

ASSISTANT: May I know your landing airport?

USER: My landing point is CLT.

ASSISTANT: How much you can spend for ticket?

USER: I can afford up to 1000 for this particular plane ticket.

ASSISTANT: Wait a minute.

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting, we could not found any direct flight to your destination point.

USER: Ok, that's fine. Thanks for the response.

ASSISTANT: Thank you for reaching us.