You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight ticket to meet my childhood friend in MSP. Can you please aid me for booking on the month of April?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your take off airport code?

USER: I am boarding from DEN.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My preferred journey dates are April 27 and 29.

ASSISTANT:  In which class would you like me to book your flight ticket?

USER: I am comfortable with any class.

ASSISTANT: Let me know your connection limit.

USER: I need a connected flight.

ASSISTANT: Will you be comfortable in a low cost airline or you need a normal cost airline?

USER: I need a normal cost airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, my name is Pamela Walker.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for choosing us.