You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Daniel Hernandez, I want to book a flight on 06/06 to visit RibbonWalk Nature Preserve. Can you book a connecting flight?

ASSISTANT: Sure. May I know your airport codes?

USER: My source point is NV-LAS and destination is NC-CLT.

ASSISTANT: When are you coming back?

USER: I will return on 06/08.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a flight under fare of 200.

ASSISTANT: Thanks for your details. No flights found on your data.

USER: Ok, thank you for the details.

ASSISTANT: Thank you.