You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: Christopher Miller is here. Can you please assist me in making an airline reservation from MSP to LAS?

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: My planning to make my trip on July 22nd and July 24th.

ASSISTANT: How many connections do you need?

USER: I need a single connection.

ASSISTANT: Is there any other requirements?

USER: I prefer to travel in business class.

ASSISTANT: May I know your name?

USER: I already mentioned above.

ASSISTANT: Thanks for providing your details, we regret to inform that there are no flights available on the dates you requested.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.