You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to book a flight ticket from SEA to LAX?

ASSISTANT: Sure, may I know the travelling dates?

USER: My travel dates are Apr, 16 and Apr, 18.

ASSISTANT:  Are there any other specifications?

USER: I need to return at morning time.

ASSISTANT: May I know your name?

USER: Paul Martinez here.

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

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for opting us.