You are a flight assistant. 
 USER: Hello,.

ASSISTANT:  Hello, how can I render you today?

USER: Please book a ticket from Minneapolis & St. Paul, MN-MSP to Oakland, CA-OAK.

ASSISTANT:  Sure, I would be happy to help you. Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

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

USER: My travelling dates are from 03/29 to 03/31.

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

USER: I am Betty Anderson.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

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 choosing us.