You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to celebrate my birthday in Las Vegas, so please book a flight ticket from MSP to LAS.

ASSISTANT: Sure, let me know your travelling dates.

USER: I will start on Oct 10, return on Oct 12.

ASSISTANT: Please share your connection limit.

USER: I want a flight with one connection.

ASSISTANT: Do you have any specifications?

USER: I want normal cost airline.

ASSISTANT: May I know your name?

USER: Karen Harris.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: Not an issue, thank you.

ASSISTANT: Thank you for choosing us.