You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I planned to meet my friend in LAS, can you please help me to book a flight ticket from MSP?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: I prefer to travel on Apr 21 and Apr 23.

ASSISTANT: May I know your name please.

USER: I am Barbara Carter.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.