You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I aid you?

USER: Please book a ticket from Los Angeles, CA-LAX to Washington DC-IAD.

ASSISTANT: Sure, I can help you. Can I know travelling dates?

USER: Departure is by 11/05 and 11/07 will be return date.

ASSISTANT: Do you need any connecting flight?

USER: Connections limit is 1.

ASSISTANT: May I know your name?

USER: My name is Anna Garcia.

ASSISTANT: We found a Spirit airline, flight number:1013 and the price is 200.

USER: Please book a ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks.

ASSISTANT: Thank you.