You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book flight ticket from DTW to OAK?

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

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

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

USER: Myself Andrew Perez.

ASSISTANT: Let me know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the afternoon.

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

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing us.