You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: Please book a ticket from San Francisco, CA-SFO to Orlando, FL-MCO.

ASSISTANT: Sure, may I know your journey dates?

USER: Departure is on 05/19 and 05/21 is my return date.

ASSISTANT: Do you want connecting flight?

USER: Connections limit is 1.

ASSISTANT: We found a Southwest airline, flight number: 1020, price: 100.

USER: Please book a ticket.

ASSISTANT: Your flight ticket has been confirmed. May I know your name?

USER: I'm Dennis King. Thanks.