You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I need to book a flight ticket from BOS to IAD, can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you to make a flight reservation but I need your travel dates to search a flight.

USER: Sure, my scheduled dates are Dec 7 and Dec 9.

ASSISTANT: Are you okay with connecting flight or you need a direct flight?

USER: I prefer a direct flight.

ASSISTANT: May I know your name please?

USER: Sure, Patrick Wright here.

ASSISTANT: Could you please let me know if you have any other comforts in between your journey?

USER: No.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Ok.

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

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

ASSISTANT: Thank you for choosing us.