You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I amend you today?

USER: Please book a ticket from New York, NY-JFK to Charlotte,NC-CLT. I am Katherine Campbell.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Departure will be on 06/20 and 06/22 is return date.

ASSISTANT: May I know your price limit?

USER: Ticket fare limit is 1000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a direct flight of 1001 UA airlines and the fare of 500. Shall I proceed to booking?

USER: Please do not book direct flight.

ASSISTANT: Ok.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.