You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: I am Alexander Davis. I need a direct flight from LAS to MSP to attend Bio exhibition.

ASSISTANT: Ok, may I know your price limit?

USER: Can you book my flight ticket on 02/23 with fare of 1000?

ASSISTANT: May I know your return date?

USER: I will recur on 02/25.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. I found a Southwest airline, flight number: 1014, price: 500. Shall I proceed with this booking?

USER: Yes, Proceed with booking.

ASSISTANT: Your flight ticket has been confirmed. Thanks for choosing us.

USER: Thank you for being my assistance.