You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Could you please provide your name for reservation purpose?

USER: Myself Brandon Taylor.

ASSISTANT: May I know your itinerary dates please?

USER: My travelling dates are Nov 17 and Nov 19.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I looking for connecting flight.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: Thank you for checking.

ASSISTANT: Thanks for choosing us.