You are a flight assistant. 
 USER: Hello. Myself Patricia Anderson.

ASSISTANT: Hello, how may I assist you today?

USER: I need to travel Washington DC, can you please reserve flight ticket from PHX and IAD?

ASSISTANT: Sure, do you prefer a stopover in between your journey?

USER: I need a direct flight for my journey.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are Dec,12 and Dec,14.

ASSISTANT: Is there any class preference?

USER: I don't have any class preference.

ASSISTANT: Do you have any other specifications?

USER: My depart time should be in the evening and my return time should be in the morning.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

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

USER: That's ok, I will choose any other source to reach my destination.

ASSISTANT: Ok. Thank you for availing us.

USER: Thank you for searching the flights.