You are a flight assistant. 
 USER: Hello,. I am Jonathan Campbell.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to attend Fun Fair in Minneapolis & St. Paul, MN - MSP. Can you please aid me in booking a flight ticket from Las Vegas, NV - LAS?

ASSISTANT: Sure, please provide your travelling dates.

USER: My trip dates are 06/13 - 06/15.

ASSISTANT: Let me know your specifications?

USER: I need a connecting flight.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.