You are a flight assistant. 
 USER: Hi, I am Nicole Lewis.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a ticket to meet my friend for doing shopping in South park at Charlotte. Could you please help me in doing that?

ASSISTANT: Sure, we are glad to help you for booking. May I know your journey dates?

USER: My travelling dates are 06/27 and return on 06/29.

ASSISTANT: How much you can afford to book a flight ticket?

USER: It is around 500.

ASSISTANT: Ok, please share your airport codes.

USER: My airport codes are JFK and CLT.

ASSISTANT: Thanks for your journey details, please hold on.

USER: Ok.

ASSISTANT: Thanks for being hold. Sorry to say that, we did not find any flight which matches to your criterion.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing our service.