You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how could I aid you today?

USER: Please book a ticket from New York, NY-EWR to Washington DC-IAD.

ASSISTANT: Sure, can you please share me your travelling dates?

USER: My travelling dates are from 06/27 to 06/29.

ASSISTANT: May I know your good name please?

USER: I am Timothy Baker.

ASSISTANT: Do you need any halt?

USER: Please provide a halt.

ASSISTANT: Please wait for a while, I will check with the airlines and revert to you. We are pleasure to inform, there is a flight available with price 100 and flight number is 1012. Should I proceed with the booking?

USER: Please proceed with ticket booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks.

ASSISTANT: Thank you for choosing us.