You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: I am Carol Perez. Can you please help me in booking with a ticket.

ASSISTANT: I can help you with that. To proceed for booking, I need to know your journey points and schedule dates?

USER: In Charlotte,NC-CLT I need to attend a get together on 03/30.

ASSISTANT: OK,.

USER: My journey starts from Chicago, IL-ORD  and return on 04/01.

ASSISTANT: OK, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry there are no flights found on your journey details.

USER: OK. Thank you for information.

ASSISTANT: Thanks for connecting us. Have a great day.