You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Patrick Turner, I want to book a flight ticket from LAX to enjoy my holiday trip, can you help me with booking?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My journey dates are Oct 31 and Nov 02.

ASSISTANT: Can you please provide your return airport code?

USER: My destination airport code is IAD.

ASSISTANT: May I know your departure time and arrival time?

USER: My departure time  is afternoon.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a connecting flight.

ASSISTANT: No flights run on respective dates due to bad weather alerts.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you.