You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need a flight with a normal-cost as I have concern with the low-cost airline to LAS from MSP. Can you help me in booking a flight ticket?

ASSISTANT: Sure, please share your travel dates.

USER: Sure, my travel dates are Dec 12 and Dec 14.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any of the class.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight for my journey.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Helen Walker.

ASSISTANT: We don't have any direct flight available for your journey.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for contacting us.