You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: My name is Sandra Moore. I would like to visit Oakland, can you help me for booking a flight ticket from ORD to OAK?

ASSISTANT: Sure, we are here to make your journey comfort. Can you please share your journey dates that you prefer to travel?

USER: My travelling dates are Mar 26 and Mar 28.

ASSISTANT: May I know your depart and arrival timings?

USER: My return time is evening.

ASSISTANT: Could you please let me know if you prefer to have any other comforts in your journey?

USER: I need a single connecting flight in my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for availing us.