You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you for the day?

USER: Can you please help me in booking the flight ticket from MSP to LAS?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Let me know your preferred dates.

USER: Ok, my travel dates are Dec 28 and Dec 30.

ASSISTANT: Ok, please share your class preference.

USER: I am comfortable with any class.

ASSISTANT: Can I have your name please?

USER: My name is Andrew King.

ASSISTANT: Is there any other concerns to meet?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.