You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I am Kevin Roberts. I want to book a flight ticket to attend a board meeting at MN-MSP. Can you help me?

ASSISTANT: Sure, when do you want to fly?

USER: 09/25 and 09/27 are my travelling dates?

ASSISTANT: Can you please share me your nearest airport code?

USER: NV-LAS will be my boarding airport code.

ASSISTANT: Do you want a connecting flight?

USER: I need a connecting flight.

ASSISTANT: We have tried to find a flight but there is no flight available on your dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us.