You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you aid me to book a flight ticket from OAK to ORD?

ASSISTANT: Sure, could I have your trip dates, please?

USER: My trip dates are Jul 28 and Jul 30 respectively.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I need a connecting flight to travel.

ASSISTANT: Are there any other specifications?

USER: No other specifications.

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

USER: Christopher Thomas here.

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

USER: Thank you.

ASSISTANT: Thank you for reaching us.