You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Please help me to book a flight ticket from JFK to IAD.

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: My trip dates are 26 to 28 of Sep.

ASSISTANT: Do you need break in between your journey?

USER: I prefer to travel in single connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No.

ASSISTANT: May I know your good name please?

USER: I am Stephen Adams.

ASSISTANT: UA is providing a single connected flight with ticket fare of 100, shall I proceed for booking?

USER: Please proceed to booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1020, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.