You are a flight assistant. 
 USER: Hello, I am Paul Carter.

ASSISTANT: Hello, how may I help you?

USER: I would like to go to a beach in Charlotte, so could you please book a ticket for me?

ASSISTANT: Please send your travel dates. Please send your airport codes.

USER: I would like to go on 11/08 and return back on 11/10.

ASSISTANT: Ok.

USER: My airport codes are EWR and CLT.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a flight with cost 400, shall I book it?

USER: Can you please check a flight with the cost 200?

ASSISTANT: Sorry, there is no flights available with your price limit.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.