You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to celebrate my sister birthday at IAD, can you help me with booking a connecting flight?

ASSISTANT: Sure, may I know your boarding point?

USER: My boarding point is DEN.

ASSISTANT: Let me know your travelling dates.

USER: I will fly on Oct 26 and recur on Oct 28.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Ryan Turner here.

ASSISTANT: We found a Spirit airline, flight number: 1020, price: 100 with one connection.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.