You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Could you please book a flight ticket from HOU to IAD?

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

USER: My trip dates are July 18 and July 20.

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

USER: I am Kevin Williams.

ASSISTANT: Let me know your connection limit?

USER: I need a 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: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.