You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Mary Scott. I have to visit Washington to receive my friends, can you please help me to book a flight ticket from JFK to IAD?

ASSISTANT: Ok, please can I know the travel dates to check the flight availability?

USER: Sure, my travelling dates are 06/10 and 06/12.

ASSISTANT: There is no flight availability at your location as per the portal of booking.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for choosing our agency.