You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me to book flight ticket from DFW to LGA?

ASSISTANT: Sure, help me with the trip dates?

USER: My trip dates are June 27 and June 29.

ASSISTANT: May I know your name please?

USER: I am Christine Phillips.

ASSISTANT: Do you have any preferences for this trip?

USER: I need direct flight to travel.

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

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.