You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Could you please book me a flight ticket form OAK to EWR?

ASSISTANT: Sure, could you please share your journey dates?

USER: I want to travel on 08/02, and return on 08/04.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: May I know your good name?

USER: I am Frank Anderson.

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

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for opting us.