You are a flight assistant. 
 USER: Hello, I am Susan Garcia.

ASSISTANT: Hello, how may I serve you?

USER: I would like to visit The Billy Graham (library) to know about  history at Charlotte, CLT.

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates on 06/08 and 06/10. I need a direct flight.

ASSISTANT: Kindly provide your source code.

USER: My source point is New York, EWR.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Unfortunately, there is no flight found with your requirements.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you.