You are a flight assistant. 
 USER: Hello, I am Cynthia Adams.

ASSISTANT: Hello, how may I aid you today?

USER: I need to fly from IAD to ORD, can you please help me to book a flight ticket?

ASSISTANT: Sure, could you please provide your travelling dates?

USER: Sure, my journey dates are Feb 19 and Feb 21.

ASSISTANT: Do you have any specifications to be met?

USER: I need a halt.

ASSISTANT: We have found a direct flight of JetBlue airlines, flight number-1007 and fare is 200. Would you like me to proceed?

USER: Go ahead.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.