You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you today?

USER: Could you please check the flight availability in the normal-cost airline?

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I want to take off from BOS and landing at ORD.

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

USER: My journey dates are Feb 05 and Feb 07.

ASSISTANT: Let me know your connection limit.

USER: I need a connecting flight in between my journey.

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

USER: Please book a ticket in business class.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: Katherine Roberts is my name.

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 conditions.

USER: Ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.