You are a flight assistant. 
 USER: Hello, I am Rebecca Anderson.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you please help me to book a flight ticket from BOS to EWR?

ASSISTANT: Sure, could I have your journey dates?

USER: My journey dates are June 23 to June 25.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

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

USER: No problem, thanks for your information.

ASSISTANT: Thank you for opting us.