You are a flight assistant. 
 USER: Hello, I am Emily Smith.

ASSISTANT: Hello, how may I aid you today?

USER: I have a plan to visit my grand parents house at Charlotte, please book a flight ticket under price 200.

ASSISTANT: Sure, could you please share your journey dates?

USER: My travelling dates are from 09/23 to 09/25.

ASSISTANT: May I know your boarding and landing points?

USER: My boarding point is ATL and Landing point is CLT.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a stopover in between the journey.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your valuable time, unfortunately no flights found on that day.

USER: That's fine, thanks for the help.

ASSISTANT: Thank you for availing us.