You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me to book a flight ticket from MSP to LAS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I planned my trip on the dates Aug 18 and Aug 20.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Barbara Carter.

ASSISTANT: We found a Spirit airline, flight number: 1017, price: 100 with one connection.

USER: Yes, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.