You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need a flight ticket booking from CLT to ORD to attend a business meeting, can you please help me with booking?

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

USER: Sure, my planned travel dates are Dec 20 to Dec 22.

ASSISTANT: May I know your connection limit?

USER: Sure, I need a single connection flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, my name is Frank Walker.

ASSISTANT: We found an airline: Southwest, flight number: 1020 and price is 100 with one connection.

USER: Yes, you can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.