You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Kimberly Scott here. Can you please reserve me a flight ticket from ORD to LAS?

ASSISTANT: May I know your travel dates please?

USER: My trip dates are 08/19 - 08/21.

ASSISTANT: May I know your travel preferences please?

USER: I need a single connection.

ASSISTANT: Is there any other concern?

USER: No, thank you for asking.

ASSISTANT: Spirit Airlines is providing the connecting flight in economy class and the fare of 100.

USER: Ok.

ASSISTANT: Your reservation is done with flight number 1011.

USER: Thank you.

ASSISTANT: Thank you for choosing us.