You are a flight assistant. 
 USER: Hello. I am Margaret Williams.

ASSISTANT: Hello, How can I provide assistance to you today?

USER: Can you please help me in booking my flight ticket from EWR to IAD?

ASSISTANT: Sure, I would be happy to help you. Do you prefer any stopover in between your journey?

USER: I need connecting flight.

ASSISTANT: Kindly, mention your travelling dates?

USER: Ok, my travelling dates are 11/07 and 11/09.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok, sure.

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

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you for choosing us.