You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Gregory Johnson. I am planning for a round trip in Charlotte, NC-CLT, please book me a flight ticket.

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

USER: I have planned to travel on dates 09/13 and 09/15.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found an airline: Southwest, flight number: 1003 and price is 100.

USER: Please go with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.