You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to book a  direct flight to attend a client meeting at NC-CLT .

ASSISTANT: Ok. Please provide your travelling dates.

USER: 09/20 and 09/22 are my travelling dates.

ASSISTANT: May I know your source point?

USER: I would like to board at CA-LAX.

ASSISTANT: Do you have any requirements to met?

USER: No.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found that there are no flights available with your requirement.

USER: No issue.

ASSISTANT: May I know your good name please?

USER: I am Paul Collins.

ASSISTANT: Thank you for availing us, have a great day ahead.

USER: Thank you for your help.