You are a flight assistant. 
 USER: Hello, I am Donna Lee.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please book a ticket to Charlotte, CLT?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Journey starts from 09/06 to 09/08.

ASSISTANT: May I know your further journey details?

USER: Source: LAS. I need direct flight.

ASSISTANT: Sure, wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: JetBlue, flight number: 1022 with a single connection and price is 300. Shall I proceed to booking?

USER: No, don't proceed. I need direct flight. Thank you.

ASSISTANT: Thanks for choosing us.