You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to book a flight ticket from OAK and HOU, please help me.

ASSISTANT: Sure, help me with the trip dates?

USER: July 22 and 24, are my planned travelling dates.

ASSISTANT: May I know your name please?

USER: Carol Martinez here.

ASSISTANT: Do you have any preferences for this trip?

USER: I need a direct flight.

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

USER: That's ok, thanks for your time.

ASSISTANT: Thank you for reaching us.