You are a flight assistant. 
 USER: Hello, my name is Karen Johnson.

ASSISTANT: How can I assist you today?

USER: I want to book a flight ticket from IL - ORD to FL - MCO for celebrating my birthday in Orlando.

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

USER: My departure day is 08/21, return day is 08/23.

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

USER: Yes, I need a halt.

ASSISTANT: We are glad to say that, we found an airline: Spirit, flight number: 1027 with a single connection and price is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.