You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Could you please check the flight availability in business class?

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

USER: I want to travel on Nov 08 and return on Nov 10.

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

USER: I am heading to IAH from PHL.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: My name is Melissa Wilson.

ASSISTANT: Let me know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

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

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

ASSISTANT: Thank you for choosing us.