You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from LAX to DCA?

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

USER:      My travelling dates are Aug 15 and Aug 17.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any class preference for you?

USER:  No.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Your good name please.

USER: My name is Stephanie Lee.

ASSISTANT: We found an airline: Southwest, flight number: 1005 and price is 100 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.