You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in booking a flight ticket from DFW to SEA?

ASSISTANT: Sure, let me know your travelling dates.

USER: I want to fly on Oct 25 and return on Oct 27.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a single connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Sarah Roberts.

ASSISTANT: We found a Spirit airline, flight number: 1000, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.